Mini-CNC v0.14

prusaprinters

<p>Please use this updated version instead: <a href="https://www.thingiverse.com/thing:200895">http://www.thingiverse.com/thing:200895</a></p> <p>I'm moving FAST on this design. I've made a number of improvements and you're probably better off waiting a few days while I finish up working on the design. Check out my blog for more on this and other drawing robots (including more instructions, etc) <a href="http://plotterbot.com">http://plotterbot.com</a> and the Robot Hacks (<a href="https://plus.google.com/communities/114867980170611537174">https://plus.google.com/communities/114867980170611537174</a>) page for the latest pics and development.</p> <p>Recent change NOT included in these files:<br/> Added an actually useful Y stage rack<br/> Added a crappy pen holder (soon to be less crappy)<br/> Many parts now interlock for a better fit</p> <p>To learn more about this project, check out this blog post: <a href="http://plotterbot.com/2013/11/an-itty-bitty-drawing-robot/">http://plotterbot.com/2013/11/an-itty-bitty-drawing-robot/</a></p> <p>This is a<em>VERY</em> (very, very, very) beta version of a tiny CNC robot. I wouldn't suggest playing along at home unless you're really interested in getting your hands dirty. I've included a MakerWare file with all the parts on a single plate to fit a Replicator 1. This is the very first version I've tried to print and I can already see lots of room for improvement. However, it is extremely cheap to build (estimated $50 - which includes the cost of a $30 Arduino Uno) <a href="http://plotterbot.com/2013/11/tiny-cnc-drawing-robot-cost-estimate/">http://plotterbot.com/2013/11/tiny-cnc-drawing-robot-cost-estimate/</a></p> <p>Right now all it does is run the basic Arduino servo "sweep" sketch which isn't that impressive. However, I'm planning to add a better Y stage so it can hold a pen and, hopefully, start drawing small pictures.</p> <p>I'm using a slight variation on Sasa's rack and pinion OpenSCAD code. I've made some minor changes to their code and included the variation here.</p> <p>This project was inspired by the Make Robot Hacks project (<a href="https://plus.google.com/communities/114867980170611537174">https://plus.google.com/communities/114867980170611537174</a>) and the Piccolo tiny CNC robot by Diatom studio (<a href="http://www.piccolo.cc/">http://www.piccolo.cc/</a>).</p> <p>A video of the robot in action: <a href="http://www.youtube.com/watch?v=GPAihIzBYKE">http://www.youtube.com/watch?v=GPAihIzBYKE</a></p> <h3>Print instructions</h3><h3>Category: Robotics Instructions</h3> <p>Right now there are only six parts. I'm trying to design this 'bot to be fairly easy to hand assemble quickly. Briefly, you would build it as follows:<br/> 1) Place the large base (Xrack014.stl) on a flat surface<br/> 2) Insert a servo motor into the X stage motor mount (Xmotormount014.stl)<br/> 3) Put the X pinion onto the X stage servo (Xgear014.stl)<br/> 4) Put the X stage motor mount with pinion into the base<br/> 5) Put a servo motor into the Y stage motor mount (Ymotormount014.stl)<br/> 6) Put the Y pinion onto the Y stage servo (Ygear014.stl)<br/> 7) Put the Y stage motor mount with pinion onto the X stage<br/> 8) Place the Y axis rack between the Y pinion and the X stage motor mount</p> <p>Done!</p>