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The SmartrapCore is our second reprap model. After the wonderful experience of the Smartrap, we learned a lot about desiging a kit accessible , easy to assemble , still cheap but with a better quality. We started from a coreXY base and made a design respecting our constraints : - printed structure ( easy to share , to update and hack from a big comunity , doable at home by anyone with a printer ) - no special operation on the box needed : only simple tools like had drill is used. The box itself is very easy to get and assemble. - GPL : no restriction , never !
We designed the all printer in script ( openjscad) to be more easy to integrate options , like rods size , nema size, wood size, etc..
Features (in no order particular order):
- Real Reprap: most of the structure should be printed, so it can easily print itself for machines. Only the common base should be bought at special shops (motors, hot end, controller, LM8UU linear bearings, endstops).
- Simpler assembly: There should be no need for special tooling, ultra precision cuts, drills or even adjustments. The ultimate goal would be an assembly with no screws, where (almost) everything snaps together in place.
- Open source!: Since it is GPL, you can build it, sell it, make a business of it etc. Everything is fine as long as you stay under the GPL licence.
- Cheap as possible: Currently working with fishing line, printed linear bearings (not well working for me now), and less costly electronics (no heat bed, four motors, no fan).
Print size: From 150 x 150 x 150 to around 300 x 300 x 300.