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High precision, laser cut, acrylic gears mesh and move to create beautiful and enigmatic designs.

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*Project Completion Update!*

*Gear Sets can now be found for sale at:* *http://www.ponoko.com/showroom/wonders* _________________________

What Are You Making?

I am designing sets of gears that can be used to make beautiful art.  I started this project when I bought a spirograph and found that it didn't have the precision, size, or versatility that I wanted.  I learned how to design and fabricate my own precision gear set.

Wild gears is a project dedicated to making a superior spirograph. Each set of gears will be laser cut from a sheet of clear acrylic. It will also include triangular, square, and even pentagonal gears. It will include newly designed technology to allow for the creation of previously impossible designs. It will be fun.

I’ve already made two prototypes and they work well. With your help I can share my love of mathematical art with the world.

Using my gear sets makes art like that possible
Using my gear sets makes art like that possible

How does it work?

It works using simple gear interaction.  By placing a gear in a larger hollow gear and rolling the gear around the inside of the hollow gear a multitude of interesting patterns can be created.  

The class of shapes generated are called hypotrochoids.  When one gear is held in place (I use tape) and another gear is rolled around it, a different class of shape is generated which are called epitrochoids.  

Examples can be found in the introduction video at the top of the page.

Hypotrochoids are more flowery with rounded petals or pointed tips whereas epitrochoids are almost circular with an open space in the middle where the stationary gear was.  Both types of shape have an amazing variety in appearance.  

Epitrochoid
Epitrochoid
Hypotrochoid
Hypotrochoid

What makes these gears special?

In addition to the fact that they are precision laser cut gears and that they are made from fantastic clear acrylic, I have developed a new design technology and learned how to make triangular gears.

Laser cutting offers supreme precision.  This is critical because if the gears have irregularities or too much play in the teeth when you finish a pattern and your pen reaches the line at the beginning it will not match up.  This can be hidden, to some extent, by using large felt tipped pens.  I have been experimenting with using fine lining pens, 0.1mm and smaller, with no problems.

Clear acrylic is great because it enables you to see how your design is proceeding much better than if your gears are opaque or colourful.

Triangular gears are exactly what they sound like.  I spent some time and figured out how to make gears with any number of sides.  So far I've made 3, 4, and 5 sided gears.  Obviously the points and the sides are rounded but the curvature can be varied to make a very circle-like triangle or one with much more defined edges and corners.

Triangular, Square, and Pentagonal gears
Triangular, Square, and Pentagonal gears

The new design technology allows for the creation of designs that are otherwise impossible to generate using conventional gear and pen methods.  As you can see in the picture above, most gears have many small holes in a row.  When you select a gear and start at the outermost hole and roll it around to make a hypotrochoid, you can then move your pen one hole down the line and repeat the process, making a similar but different shape.  Many beautiful designs can be created this way.  The hypotrochoids created by using the two holes in the gear invariably cross each other at acute angles.  One evening I decided that I really wanted to make designs with parallel patterns.  (Note:  parallel is probably the technically incorrect way to describe the relationship of the two patterns although I have yet to find a better term.  If you know one please let me know.)

This simple pattern

A triangle
A triangle

 Can be made into a standard 'crossing' design

See the corners, they cross!
See the corners, they cross!

 or it can be made into a parallel design, where the lines do not cross.

a parallel design
a parallel design

 The ability to generate both types of designs widens the range of possible art with stunning effect.  I have not encountered another gear set with this unique design feature.

As an additional cool feature, it is possible to put several gears together in on outer ring.

4 gears in 1 ring = cool design
4 gears in 1 ring = cool design

This is a) really fun to play with, b) looks really cool, c) allows for the shrinking of a design without otherwise changing its appearance.  This is especially interesting because if you have a design you want to make, perhaps a 17 pointed shape, its size is dictated by size of the outer gear.  If you want to make that shape smaller but want it to still have its unique 17 pointed geometry that is possible using this method. 

Why are some of the gears in the photos clear others are brown?

When the gears are laser cut, they have a protective paper backing on both sides.  It peels off and leaves no sticky residue behind.  I've left the paper on some of the gears to make them easier to photograph although I had to take it off of most of the gears so that it would be easier to use them.

Risks and challenges Learn about accountability on Kickstarter

I have never undertaken a project like this before so I am being careful to not bite off more than I can chew. This project is about designing and manufacturing a precision product and supplying it to people all over the world. That plan has three main types of challenge: design, manufacture, and shipping, and I will address them in reverse order.

Shipping:
The fabricator I am working with has already demonstrated that they are capable of managing smooth international shipping so I have no concerns about the logistics of moving finished goods. I have been in communication with them about shipping costs and have gotten as firm an idea of what they will be as is possible without knowing how many gear sets will be shipped to any location. They will be shipping the rewards directly to each backer which will allow for overall cheaper shipping than if they were all to be shipped to my home and I were to repackage and reship them. Times for international shipping are less predictable but I am doing my best to get predictions on how long deliveries will take and account for added shipping time.

Manufacture:
I am very happy with the quality of the preliminary prototypes that I have received from the fabricator. The only potential risk with the manufacture step is that an unforeseen work load or materials shortage could lead to a manufacturing delay although I have built sufficient time into the schedule for three weeks delay before any rewards deliveries would be late.

Design:
Having designed two gear set prototypes, I've already overcome many of the challenges that could delay production.

I have already taken two designs through the initial prototyping stages and I've learned so much from that process. The challenge will be to make the very best possible gear set without needing to make many versions of the design. It is my plan to: make the initial gear sheet designs, receive the prototypes, revise the design as needed, and then receive the finalized product. Obviously, if the finalized product turns out to need more work, another revision and finalization cycle will be required. Each cycle of prototyping and revision will take 2-4 weeks. Through careful thought, planning, and review, I hope to avoid unnecessary design revisions. This will keep the project on schedule and on budget.

International Shipping:

EDIT: Wild Gears Now Available to European Backers Too! Find all the details in Update #6. European backers please add 20% to the pledge for whatever reward level you want, this will cover the additional costs associated with providing your reward. /end Edit

Figuring out where I can ship these gear sets for a predictable cost has been difficult. I don't want to exclude any excited potential backers but for logistical reasons I must currently limit my international offerings to the following countries:

Australia, Canada, New Zealand, United States

To be clear I am trying to say that I will only ship to those four countries listed.

As soon as I find a price point for other countries/regions I will update the list or make a more general 'all other locations' reward level for each gear set. I am sorry for the arbitrary seeming restriction but I don't want to run the risk of underestimating international interest and shipping costs which could lead to personal financial hardship.

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    Early Bird Micro Gear Set: This very small, and very portable, gear set will be approximately 2 cm square and will include at least 3 geared pieces. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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    Micro Gear Set: This very small, and very portable, gear set will be approximately 2 cm square and will include at least 3 geared pieces. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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    Early Bird Compact Gear Set: This gear set will include as many different gears as can be fit on one 18 cm x 18 cm sheet and will include at least one triangular gear and one square gear. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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    Compact Gear Set: This gear set will include as many different gears as can be fit on one 18 cm x 18 cm sheet and will include at least one triangular gear and one square gear. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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    Compact Gear Set + Personalization: This reward level includes the Compact Gear Set (see $55 reward level) and a custom engraved personalization of your name or a similarly short string of text.

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    Compact Gear Set + Material Choice: This reward level includes the Compact Gear Set (see $55 reward level) and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Compact Gear Set + Personalization + Material Choice: This reward level includes the Compact Gear Set (see $55 reward level) and a custom engraved personalization of your name or a similarly short string of text and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Strange Shapes Gear Set: This gear set will include only non circular gears in as wide a variety as possible. The gear set will be cut from one 15x15 inch sheet (same size as the Full Page Gear Set). This gear set is designed to be a supplemental gear set to be used in conjunction with the Full Page Gear Set, the Compact Gear Set, or the Mammoth Gear Set. While it will work on its own it will benefit greatly from being used in conjunction with the other gear sets. As with all gear sets shipping is limited to Canada, USA, Australia, and New Zealand unless otherwise noted in the updates.

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    Strange Shapes Gear Set + Personalization: This reward level includes the Strange Shapes Gear Set (see $80 reward level) and a custom engraved personalization of your name or a similarly short string of text.

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    Strange Shapes Gear Set + Personalization + Materials Choice: This reward level includes the Strange Shapes Gear Set (see $80 reward level) and a custom engraved personalization of your name or a similarly short string of text and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Early Bird Full Page Gear Set: This gear set will be designed to produce beautiful full page* hypotrochoid designs and will be laser cut out of one 38 cm x 38 cm sheet of acrylic. This set will contain at least 15 gears including at least 1 triangular gear, 1 square gear, and 1 pentagonal gear. This gear set will be able to produce epitrochoid designs exceeding 50 cm in diameter. Please read the 'International Shipping' section at the bottom of the page for a list of available countries. *(on standard 8.5" x 11" paper)

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    Full Page Gear Set: This gear set will be designed to produce beautiful full page* hypotrochoid designs and will be laser cut out of one 38 cm x 38 cm sheet of acrylic. This set will contain at least 15 gears including at least 1 triangular gear, 1 square gear, and 1 pentagonal gear. This gear set will be able to produce epitrochoid designs exceeding 50 cm in diameter. Please read the 'International Shipping' section at the bottom of the page for a list of available countries. *(on standard 8.5" x 11" paper)

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    Full Page Gear Set + Personalization: This reward level includes the Full Page Gear Set (see $105 reward level) and a custom engraved personalization of your name or a similarly short string of text.

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    Full Page Gear Set + Material Choice: This reward level includes the Full Page Gear Set (see $105 reward level) and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Full Page Gear Set + Personalization + Material Choice: This reward level includes the Full Page Gear Set (see $105 reward level) and a custom engraved personalization of your name or a similarly short string of text and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Compact Gear Set + Strange Shapes Gear Set: Combine gear sets for great savings. Optional personalization included free of charge (Get your name engraved on the gear sheet).

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    Compact Gear Set + Strange Shapes Gear Set + Material Choice: Combine gear sets for great savings. Optional personalization included free of charge (Get your name engraved on the gear sheet). Your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Early Bird Mammoth Gear Set: This gear set will include gears up to 37 cm in diameter which will be able to make designs a full meter in diameter! It will be laser cut out of one 79 cm x 38 cm sheet of acrylic. The total number of gears is uncertain but it will be huge! This set will also include at least 2 triangular gears, 2 square gears, and 2 pentagonal gears. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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    Mammoth Gear Set: This gear set will include gears up to 37 cm in diameter which will be able to make designs a full meter in diameter! It will be laser cut out of one 79 cm x 38 cm sheet of acrylic. The total number of gears is uncertain but it will be huge! This set will also include at least 2 triangular gears, 2 square gears, and 2 pentagonal gears. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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    Mammoth Gear Set + Personalization: This reward level includes the Mammoth Gear Set (see $160 reward level) and a custom engraved personalization of your name or a similarly short string of text.

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    Full Page Gear Set + Strange Shapes Gear Set: Combine gear sets for great savings. Optional personalization included free of charge (Get your name engraved on the gear sheet).

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    Mammoth Gear Set + Material Choice: This reward level includes the Mammoth Gear Set (see $160 reward level) and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Mammoth Gear Set + Personalization + Material Choice: This reward level includes the Mammoth Gear Set (see $160 reward level) and a custom engraved personalization of your name or a similarly short string of text and your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Full Page Gear Set + Strange Shapes Gear Set + Material Choice: Combine gear sets for great savings. Optional personalization included free of charge (Get your name engraved on the gear sheet). Your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Mammoth Gear Set + Strange Shapes Gear Set: Combine gear sets for great savings. Optional personalization included free of charge (Get your name engraved on the gear sheet).

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    Mammoth Gear Set + Strange Shapes Gear Set + Material Choice: Combine gear sets for great savings. Optional personalization included free of charge (Get your name engraved on the gear sheet). Your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    One of Everything: 1 Compact Gear Set, 1 Full Page Gear Set, 1 Mammoth Gear Set, 1 Strange Shapes Gear Set. Optional personalization included free of charge (Get your name engraved on the gear sheet).

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    One of Everything + Material Choice: 1 Compact Gear Set, 1 Full Page Gear Set, 1 Mammoth Gear Set, 1 Strange Shapes Gear Set. Optional personalization included free of charge (Get your name engraved on the gear sheet). Can choose different materials for each sheet if so desired. Your choice of what material you want your gear set to be cut from. See Update #3 for the list of materials to choose from.

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    Custom Gear Set: I will work with you to design a custom gear set. Want only prime numbered gears? I can make that happen. Want the gear sheet laid out in a smily face? No problem. Have a really cool idea? Lets make it happen. Please read the 'International Shipping' section at the bottom of the page for a list of available countries.

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