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MakerSlide.rb
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MakerSlide.rb
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# https://www.inventables.com/technologies/makerslide
extrusion :MakerSlide do
attr_reader width: 40.mm
attr_reader height: 20.mm
attr_reader rail_gauge: (width + 2*3.8.mm).cm
attr_reader wheel_spacing: 64.4.mm
right = width/2
left = -right
top = height/2
bottom = -top
wall_thickness = 2.mm
pocket_bottom_width = 6.mm # width of the flat pocket bottom
pocket_depth = 6.mm # Measured from outside face
pocket_opening = 6.mm # The width of the pocket opening
pocket_sidewall = 0.95.mm # The small interior sidewall in the pocket
pocket_width = 12.mm # Widest part of the pocket
pocket_chamfer_height = pocket_depth - pocket_sidewall - wall_thickness
pocket_chamfer_width = (pocket_width - pocket_bottom_width)/2
pocket_lip = (pocket_width - pocket_opening)/2
polygon do
start_at [right, top] # Upper right corner
# Rail on the +X side
move_y 2.5.mm
move_x 0.8.mm
move [ 2.2.mm, -2.5.mm] # Peak edge
move [-2.2.mm, -2.5.mm]
move_x -0.8.mm
# Opening on far +X side (facing +X)
vertical_to 3.mm # Upper corner of the opening
move_x -wall_thickness
move_y pocket_lip
move_x -pocket_sidewall
move_to [right-pocket_depth, pocket_bottom_width/2]
move_y -pocket_bottom_width # Bottom face
move_to [right - pocket_sidewall-wall_thickness, -pocket_width/2]
move_x pocket_sidewall
move_y pocket_lip
move_x wall_thickness
move_to [ width/2, -height/2] # Lower right corner
# Opening in the X,-Y quadrant, facing -Y
move [-7.mm, 0]
move [0, wall_thickness]
move [pocket_lip, 0]
move [0, pocket_sidewall]
move [-pocket_chamfer_width, pocket_chamfer_height]
move [-pocket_bottom_width, 0]
move [-pocket_chamfer_width, -pocket_chamfer_height]
move [0, -pocket_sidewall]
move [pocket_lip, 0]
move [0, -wall_thickness]
# Opening in the -X,-Y quadrant, facing -Y
move_to [left+7+pocket_opening, bottom]
move [0, wall_thickness]
move [pocket_lip, 0]
move [0, pocket_sidewall]
move [-pocket_chamfer_width, pocket_chamfer_height]
move [-pocket_bottom_width, 0]
move [-pocket_chamfer_width, -pocket_chamfer_height]
move [0, -pocket_sidewall]
move [pocket_lip, 0]
move [0, -wall_thickness]
move_to [-width/2, -height/2] # Lower left corner
# Opening in the -X,-Y quadrant, facing -X
vertical_to -pocket_opening/2
move [wall_thickness, 0]
move [0, -pocket_lip]
move [pocket_sidewall, 0]
move [pocket_chamfer_height, pocket_chamfer_width]
move [0, pocket_bottom_width]
move [-pocket_chamfer_height, pocket_chamfer_width]
move [-pocket_sidewall, 0]
move [0, -pocket_lip]
move [-wall_thickness, 0]
# Rail on -X side
vertical_to top - 2.5
move [-0.8.mm, 0]
move [-2.2.mm, 2.5.mm]
move [2.2.mm, 2.5.mm]
move [0.8.mm, 0]
move_to [-width/2, height/2] # Upper left corner
# Opening in the -X,-Y quadrant, facing +Y
move [7.mm, 0]
move [0, -wall_thickness]
move [-pocket_lip, 0]
move [0, -pocket_sidewall]
move [pocket_chamfer_width, -pocket_chamfer_height]
move [pocket_bottom_width, 0]
move [pocket_chamfer_width, pocket_chamfer_height]
move [0, pocket_sidewall]
move [-pocket_lip, 0]
move [0, wall_thickness]
end
central_top_width = 5.0.mm
polygon do
start_at [central_top_width/2, top - wall_thickness]
move_y -1.5.mm
move_to [6.mm, pocket_bottom_width/2]
move_y -pocket_bottom_width
move_to [central_top_width/2, bottom + wall_thickness + 1.5]
move_y -1.5.mm
move_x -central_top_width
move_y 1.5.mm
move_to [-6.mm, -pocket_bottom_width/2]
move_y pocket_bottom_width
move_to [-central_top_width/2, top - wall_thickness - 1.5]
move_y 1.5.mm
end
polygon do
start_at [10.mm + pocket_width/2, top - wall_thickness]
move_y -pocket_sidewall
move_to [10.mm + pocket_bottom_width/2, top - pocket_depth]
move_x -pocket_bottom_width
move_to [10.mm - pocket_width/2, top - wall_thickness - pocket_sidewall]
move_y pocket_sidewall
end
diameter = 4.2.mm
circle [-width/4, 0], diameter/2
circle [width/4, 0], diameter/2
end