$10,706
pledged of 25 000 $pledged of 25 000 $ goal
27
backers
0seconds to go
Funding Canceled
Funding for this project was canceled by the project creator on Jul 11 2014
$10,706
pledged of 25 000 $pledged of 25 000 $ goal
27
backers
0seconds to go
Funding Canceled
Funding for this project was canceled by the project creator on Jul 11 2014

About

We've decided to cancel our Kickstarter campaign for the TM1 effective immediately.

Based on lots of great feedback from our potential customers and our beta testers, we've come to the conclusion that the price-to-performance ratio for this machine makes it a poor fit for Kickstarter.

We are continuing development of the TMI and will begin online sales in the Fall.

Thanks so much for all your support so far, and please stay tuned. Come visit us at Tekma3D.com for updates.

There’s no shortage of affordable 3D printers available today, so why bother creating a new one? Because we knew we could build better machines, ones that solve the accuracy, speed, noise and vibration problems that plague low-cost 3D printers.

The Tekma3D™ TM1 is the first in a line of better machines. Capable of printing 50-micron layers at 200 mm/sec with no loss of dimensional accuracy, the TM1 takes fused thermoplastic 3D printing to a new level. At the same time, Tekma3D will price it at $1499, making it the best value in professional-quality 3D printers.

DO YOU NEED ONE?

The TM1 is not meant to be the cheapest 3D printer on the market. It’s aimed at makers, serious hobbyists and engineers who need a tool not a toy. What makes the TM1 so functional is its combination of build speed and dimensional accuracy. Consumer-level 3D printers typically offer a maximum build speed no greater than 100 mm/sec with accelerations under 0.25 G. The TM1 clocks in twice as fast and accelerates twice as quickly.

And we know that build speed matters from our experience as aerospace and industrial robotics engineers. We use 3D printers every day, and the ability to build accurate parts quickly helps us meet our tight design deadlines. In the past, we needed to use industrial 3D printers to meet our requirements for speed and accuracy. Problem was these machines typically cost $30,000 or more. The TM1 costs just a fraction of what a professional 3D printer costs. Yet it gives us all the speed and accuracy we need as working engineers.

BUILDING A BETTER MACHINE

Before we set out to design the TM1, we tried out a variety of low-cost 3D printers. And we found them lacking from a mechatronics standpoint. Aside from their speed and accuracy limitations, the low-end printers tend to be noisy and vibration-prone. You wouldn’t want to run these machines in an office environment, much less a home.

Based on sound mechatronic principles, the TM1 design draws on our years of experience designing and building industrial robotics and motion control systems. Right from the start, we knew that we needed to create a low-cost, high-fidelity motion platform. We immediately ruled out belt drives, which have too much flex, or "wind-up" slop for our needs. 

So we built a patent-pending motion stage called ServoSpline™, which positions the part under TM1's precision gear-driven extruder head. It consists of two independently-driven pinions that engage with elastomeric racks on the underside of the build plate. The splines guide, support and drive the build plate. Free of the backlash found in most rack-and-pinion motion, the new build platform achieves positioning accuracies better than 0.005-inches at maximum build speed. The ServoSpline design also keeps the number and mass of moving parts to a bare minimum, limiting cost and promoting smooth, accurate motion. 

 HACK THIS MACHINE!

We’ve taken taken an open-source approach to all the electronics and firmware, paving the way for future enhancements—whether official upgrades from Tekma3D or hacks by our users. Pre-production models of the Tekma3D have been killing it at 200 mm/sec with inexpensive Arduino-based controllers and stepper motors, but we’re also looking into ARM controllers as we move intro production. Future models will offer  servo controls for even quieter, more accurate builds.

WE NEED YOUR HELP

In order to meet our aggressive price targets, we have to scale up to high-volume production. Your funding will help us make a volume buy of motors, controllers and other machine components as well as build production tooling for the machine’s polymer and metal parts. With your support, we will have the first machines in your hands by September!

Risks and challenges

The TM1 is already a real machine—not just smoke, mirrors or computer renderings. Before launching here on Kickstarter, we proved out our beta units by building hundreds of dimensionally accurate parts. And our local maker space in Santa Barbara, SBHackerSpace, has also been testing pre-production models without a hitch.

Since we already have a fully functioning machine, the challenges to on-time delivery are minimal. We could experience delays in the delivery of our production tooling or key components. But we have many years of experience in setting up and managing supply chains for industrial machines.

So your risks are very low. This is not our first rodeo when it comes to designing, manufacturing and delivering a complex machine.

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Support

  1. Select this reward

    Pledge $10 or more About $10

    Your name on the Tekma3D wall of fame! Every little bit gets us closer to a quality product that makes tech jobs for amazing young SBHackerspace members!

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    Pledge $25 or more About $25

    A Tekma3D or Techmothership.com T-shirt. You can have any color you want, as long as it's black!

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    11 backers
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  3. Select this reward

    Pledge $150 or more About $150

    For our amazing worm gear driven extruder, complete with J-head, heating cartridge, sensor, fan and stepper motor.

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    Limited 3 backers
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  4. Select this reward

    Pledge $1,199 or more About $1,199

    The earlybirds get the smokin' deal! Be one of 50 lucky folk to be the first to have the most stable, reliable workhorse of a 3D printer that's made in the USA, creating local tech jobs. Comes with acrylic build plate. Prints PLA only.

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  5. Select this reward

    Pledge $1,299 or more About $1,299

    Another brace of early adopter deals. Acrylic build plate, PLA only.

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  6. Select this reward

    Pledge $1,299 or more About $1,299

    Donate a complete machine and two spools of PLA material to a school or non-profit makerspace. We’ll put a donor plaque on the printer with your name on it.

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    Pledge $1,399 or more About $1,399

    More savings on a complete Tekma3D TM1 printer.

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Funding period

- (30 days)