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Looks nice! I enclosed my printer in a case made of Lexan and wood. It doesn't add much weight, but to make the entire setup more stable, it is all attached to a table via bolts. Is yours attached via bolts to the table? If it is not attached to the table do the weights keep it stable, or if it is attached to the table are the weights used just to counteract any rocking that occurs? A question that I have is during higher print speeds do the weights sway? Another cool addition you may want to experiment with is an air scrubber made out of charcoal equipped with a fan. I put one in mine to get rid of the smell. When I print, I cannot smell anything.
For heaters, I got myself 2 electronics space heaters and four 50w load resistors. My plan was to have them be inside of the heat chamber, but if I ever get around to rigging them up, they will be in a separate box with fans blowing the hot air into the the box on 3 sides for uniform heating. I control the temp with a simple temperature controlled that has a probe on it.
Here's a link to mine:
[thefabforums.com]
I like your idea of an air scrubber. Will add it to my list of things to do.
The printer is basically a hexagonal box with a wooden top , 6 glass panes as the sides and a wooden bottom. They are all bolted together with 6x 5 mm bolts on the inside of the corners to form a box that is stable in any direction including the rotation. The glass corners are held together with silicone and the aluminium T.
[attachment 37884 hexagon.png]
The weights move up and down as the extruder moves sideways while printing. The sideways swinging of the extruder is limited by the 3 directional cables. Even with quick infill where the hotend oscillate a lot the extruder does not follow the hotend oscillations