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First time forking or even uploading to github.


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I needed a drag knife to cut out a lot of paper and plastic sheets for the new slate design and after a quick search I only found drag knife tools typically in the $100+ range. Some of which is well over the price of a hobby Cricut cutting machine. However instead of buying a Cricut cutting machine with extremely limited cloud based software, it looked like the cutter used in these cheap machines could somehow be adapted to fit into one of the collets for my CNC. So I ended up purchasing set, these knife is free spinning on a bearing inside the houseing and helf in there with a magnet. Becareful when purchasing other housing as it looks like some of them are not free spinning and have a gear at the top so the machine can rotate the knife instead. I then cut a 3/4" aluminum tube and use JB Weld to epoxy the cutter housing inside the tube. Fit's perfectly inside the 3/4" collet. Using HSMWorks and Solidworks I could draw out the shapes I needed cut, keep not that you must have a small radius on the corners so the knife can rotate in line with the change of direction. The results turned out amazing, and I can achieve a much higher accuracy and proper scale with no guess work than the janky software most of the craft cutting machines can do.


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Sigma 8-16 EF to PL and gear manual Conversion

Simple 3D-Printed 3 Light Fixture

DIY air filter/"Fume Extractor"


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For the better part of a year I had been working on Virtual Reality 360 video production and technologies for what is now HypeVR.


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I've converted a 135mm F2.5 FD lens to PL mount and added permanent gears to it. For the 50mm F1.4 I just added permanent gears since the optical placements made it impossible to remount to PL. Both lenses have been de-clicked and apreture arm that's normally at the camera end of the lens have been removed. The 135mm lens works ok, not as smooth as one would like but it is in working order and the lens itself looks great. The 50mm works great very smooth for the most part, but has a color cast to it. 

Originally I just set out to make a dumb EF mount so I can use my one canon lens with my Epic. The project ended up with FD mount, a PL mount, and on top of that directors viewfinder.

My friend had a broken Canon zoom lens and I decided to have a little experiment. It took maybe about 3 hours to make the measurments and draw up the design in Solidworks. The printing took maybe 16 hours total for all the individual parts, couple parts had to be reprinted since my measurments were not as accurate as they should've been hehe. 

Only 15 Early-Bird Backers available! Check out the Kickstarter campaign now at:


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Getting the new smartslate ready for another crowdfunding campaign attempt:-)

And the Kickstarter campaign is LIVE! Thank you all for your support and please help spread the word:-)


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This is the final post before the slate is ready to go live!

A little about me

profile.largeGeorge Tsai attended California State University, Long Beach and graduated in 2010 with BS in Electrical Engineering, Audio Engineering, and an Entrepreneurship Minor. He is also a United States Marine with combat deployments to both Iraq and Afghanistan. He concluded his service with an honorable discharge as a Sergeant. Today, he freelances in the film industry with his Red Epic-X camera package and production audio equipment. He is also the founder of FUZE Ti.  Read more...

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