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If you need one cut, the folks over at http://tricklaser.com/ can cut one for you.
This "thing" is a stub for the laser cut files for the Prusa i3 printer frame for use with wood, acrylic, and other thin material. Published under GPL v3, same as the Prusa i3.
Grab the files from my Github repository: https://github.com/sgraber/Prusa3_LC
I have provided three file types: dxf, eps, and pdf.
More photos are found on my photostream at Flickr: http://www.flickr.com/photos/sbgraber/8351936888/in/photostream/
Please note: my braces, while they look similar to Twelvepro's, were designed independently and were mostly done by the time Twelvepro released their files. The major differences between my braces and their design is:
The goal of this revision is to allow people to use frame material that is less rigid than the 6mm aluminum, which is specified for the Single Sheet Frame Prusa i3 Printer (http://reprap.org/wiki/Prusa_i3#Single_Sheet_Frame) and have it laser cut instead of water jet cut. Laser cutters are more accessible for people either at their local makerspace or at local laser cutting businesses. Laser cut material is also less expensive and people can source different frame colors and materials, such as 5mm birch plywood, 6mm double-faced melamine, and 1/4" acrylic.
To achieve this goal, two angular braces are designed and added to the bill of materials and the stock Prusa i3 Single Sheet Frame is slightly modified to accept these braces. A major goal of this revision is to keep the Prusa i3 frame as stock as possible so that people can continue to print and use Josef Prusa's i3 parts from his Github repository: https://github.com/josefprusa/Prusa3/tree/jo-final In this release, the frame dimensions were not changed at all. The only additional items added to the i3 bill of materials are the two laser cut braces and six 25mm/1-inch M3/6-32 SAE screws and washers.
This frame was designed for use with 6mm-thick material. Thicknesses less than or greater than 6mm will require the brace tab lengths to be decreased/increased and the square tab-accepting holes in the Prusa i3 frame to be decreased/increased accordingly. I have found that oversizing the tab-accepting holes by 0.2mm works but each laser cutter is slightly different and may require adjustments different than this.
Changes to the stock Prusa i3 frame:
New braces (2) :
2013-01-08: Latest frame version from Josef Prusa makes the following changes:
I have provided three file types for people to use when laser cutting: dxf, eps, and pdf. Your local makerspace or laser cutting business should be able to utilize one of these three file formats to cut your frame and braces for you.
If you would prefer to purchase one of these frames and associated braces online, I will soon provide these parts on Ebay along with my printed parts, which conform to the latest versions found in the https://github.com/josefprusa/Prusa3/tree/jo-final/ branch. This way you can source most of what you need from one place: http://myworld.ebay.com/sbgraber
I worked with the guys at SeeMeCNC during development of this frame revision and they are also providing the frame for purchase from their website: http://shop.seemecnc.com/ These guys are great to work with and I highly recommend them and their products.
Slide the tabbed braces into the frame. Slide a washer onto an M3/6-32 SAE screw and insert the screw into each nut trap hole. Use either a standard or nyloc M3/6-32 SAE nut and screw tight.
Assemble the remainder of the printer per the instructions in Prusa's repository: https://github.com/josefprusa/Prusa3/blob/master/doc/manual.txt
Open Source Hardware STL courtesy: http://www.thingiverse.com/thing:27097
Prusa i3 Laser Cut Frame and Braces by sgraber is licensed under the GNU - GPL license.
So what's this mean?
We're sure sgraber would love to see what you've printed - take a photo and share it on Thingiverse as a Make.
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