Wednesday, June 08, 2011


Prusa Felt branch and ThingDOC

So, if you are wondering whats new in Prusa printer development, I'll answer some of your questions today. And maybe even bust some myths ;-) First I want to show you results!

(Darker blue is print from Dimmension uPrint, Lighter blue is print from Prusa with felt bushings)

For more pictures and info follow the link on the end of this post.

New bushing look

In the same printed object you can use:
- felt (100 bushings for $5 if you use best felt)
- brass tube (80 bushings for $9)
- pla bushings (one prints in about 30seconds :-D)
- igus bushings (as Shapercube use, it's pretty expensive because of matching rods)
- sku bushings (steel with teflon inside, expensive because of rods $50 per full set incl. rods)

All of this stuff remains snap in! So you can remove your carriage without disassembling half of printer.

During the big demand I will incorporate the possibility to use linear bearings too, but it will be few days after this release. And it's not going to be the main stuff. Simply because it's not better and sourcing is harder and pricier.

ETA to merging it to master branch is about two weeks. Catching last bugs out. And also, from this point, every commit will have its own ThingDOC documentation, which is under huge development during moving documentation to the files!

ThingDOC is now Ready for its prime time!

For more informations, images and links, visit original post.

Jo Prusa

@Josef How about some details about those prints?

Extruder orifice for both printers?

Head speed?

Heated bed?

3 mm filament or 1.7?

Layer thickness?
How does felt constrain the motion to be exactly linear. To me "felt" means a soft squash-able fabric.
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