Line up the two 160 mm C-channels parallel to each other with the open sides facing downward.Repeat on the other end of the C-Channel.Line the stacks up to the bronze bushings, and use extra long screws and short standoff posts inside the channel to tension the assemblies together. Insert bronze bushings in the large holes on either side of the C-Channel.Place an O-ring inside the drilled hole.Stack an un-drilled plate on top of a drilled one.Repeat Steps 11&12 on the other side of the frame.Use a long screw on the other side of the channel to secure the nylon washer and standoff. To attach the top screw, insert a short standoff post and a thin nylon spacer inside the C-Channel, using the standoff post as a nut (you may have to pry the channel open).Attach a flat plate and an angle bar as shown in Figure 3, using the 9th and 13th holes from the back of the angle bar. Once the frame is secure, stand it upright.Repeat step 6 on the top 416mm C-Channel.Secure with short Tetrix screws with the screw heads on the inside of the channel. On each end of the 288mm channel, insert the flange of an axle hub into the top side of the channel with the set screw hole facing straight upward.Using long Tetrix screws and kep nuts, secure the four channels together with the screw heads facing downward.Lay the 288mm C-Channel from Steps 1&2 perpendicular to the first two channels, with the open side facing toward you, over the bottom set of holes with washers.Lay a 416mm C-Channel perpendicular to the first two channels, with the open side facing toward you, over the top set of holes with washers.Place a set of two washers over each of the indicated holes in Figure 2.Lay two of the 416mm C-Channels down parallel to each other, with the open sides facing downward.Attach the assemblies from Step 1 to the right and left ends of the 288mm C-Channel with the axle hubs and screw heads facing outward.The screw heads should be inside the inside C-Channel. Attach a drilled/tapped 4-hole angle bar to the axle hub using the drilled holes.The screw heads should be toward the inside of the inner C-Channel, with the the hub flange in the large hole. Screw together an inner C-Channel, an axle hub, and a drilled/tapped 4-hole angle bar using long TETRIX screws.Angle Bars (Use the 4-hole ones that you drilled holes into). Long Socket Head Screws (1/2” long 6-32).Short Socket Head Screws (5/16” long 6-32).GT2 20-tooth pulley with 2m of timing belt ( pack).Heating wire (12V), Thermistor, Heating block, 0.4mm nozzle ( pack).SO, WHERE SHOULD YOU GET ALL OF THAT FROM? NEMA 17 stepper motors (57 oz and 40 oz).PTFE Teflon Bowden Tube for 1.75mm Filament.Flat Round Spacers (Instead of Flat Building Plates - less manufacturing, but more expensive).
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