lm8uu's mounted to y-carriage, zip tie holes along z bottom, removed motor mounts

Latest revision obsoletes three LM8UU plastic parts on the underside of
the y-carriage and has them directly mounted to the y-carriage with zip
ties. Four holes added to the bottom of the frame for holding wires in
place with zip ties. Removed Printrboard mount holes. Removed motor
mounts.
initial commit
cleanup of two missed lines on y-carriage
initial commit

colored lines for easier laser cutting
Updated with colored laser cut lines in .dxf.
cleaned up jaggies
updated frame for 10mm threaded rods
prusa-mini frame, initial import
updated photo with latest render
colored for laser cutting order. initial commit.
updated with Prusa Mini frame info.
fixed problem where y-carriage impacts the frame

mounting the lm8uu's to the y-carriage dropped the y-carriage enough
that through screws on the corners of the heated bed would hit the
frame. the frame edge was dropped by 10mm to resolve the problem.