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Place keeper for my re-spin of https://www.youmagine.com/designs/twisterblocks3D printer parts and enhancements
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UPDATE 11.6.2016: Reduced clamp extension width to 6.0 mm to provide about 0.15 mm of clearance on each side of block channel.
This is a place keeper (currently under development) for a re-spin of TwisterBlocks by Hrvoje Cop, aka. chopmeister.
Once I successfully print and prove the performance of my re-spin concept, I will post a complete file set. Until then, the provided .stp file can be imported into your favorite CAD tool and .stl files exported, if you are really in a hurry to help me prove my re-spin of chopmeister's very clever design.
I was not too keen on giving up even 4 mm of x and y travel. I use up all my UMO real estate far too often and wish for more already! Accordingly, in this re-spin I offset the original TwisterBlocks faces by 2 mm and the screw holes by 1 mm (to keep them centered on the faces) to recover the 4 mm in X/Y travel lost in the original TwisterBlocks design. To anchor the 6 mm rods more securely with my 2 mm shorter twister blocks, I added extensions to the twister block rod clamps that fit in the twister block rod assembly channels. The clamp extensions provide additional support at the very end of the rod. The twister block slots are 2.5 mm deep so I can "get back" all of the 2 mm rod engagement that I lost in reducing the width of the blocks, plus another 0.5 mm more, assuming that the rods are long enough to bottom in the channel against the twister block. If the 6 mm rods are too short to fully benefit from the clamp extensions, I'll just buy longer 6 mm rods and custom cut them to fit tightly.
Materials and methods
- 12 printed parts
- 8x M3x20 bolt
- 8x M3x30 bolt
- 16x M3 nut
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