92 lines
4.3 KiB
OpenSCAD
92 lines
4.3 KiB
OpenSCAD
// Copyright 2022 Thorsten Brehm
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// brehmt (at) gmail dot com
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// rear panel
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module makeRear()
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{
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Width = BoxX_Width-2*RearWallGap;
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difference()
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{
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translate([RearWallGap, 0, BoxZ_Depth-RearWallZOffset-RearWallZLedge])
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rotate([90, 0, 90])
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{
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difference()
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{
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roundedCube(BoxY_Height, RearWallZLedge, Width, Box_Corner_Radius);
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translate([SKIN, -SKIN, 0]) roundedCube(BoxY_Height, RearWallZLedge, Width, Box_Corner_Radius);
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translate([BoxY_Height-RearWallGap-RearWallCableGapHeight,RearWallZLedge-SKIN*2,0])
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cube([RearWallCableGapHeight+10, SKIN*2, Width]);
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}
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}
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// hole
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translate([FrontGapX/2, -SKIN , BoxZ_Depth-RearWallZOffset-RearWallZLedge/2]) rotate([270, 0, 0])
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hole(ScrewDiameter, 10);
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// hole
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translate([BoxX_Width-FrontGapX/2, -SKIN , BoxZ_Depth-RearWallZOffset-RearWallZLedge/2]) rotate([270, 0, 0])
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hole(ScrewDiameter, 10);
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}
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// long edge, top of rear wall
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translate([RearWallGap, BoxY_Height-RearWallGap-RearWallCableGapHeight-5, BoxZ_Depth-RearWallZOffset-SKIN])
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roundedCube(BoxX_Width-RearWallCableGapWidth-RearWallCableGapXOffset, RearWallCableGapHeight+5, SKIN, Box_Corner_Radius);
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// short edge, top of rear wall
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translate([BoxX_Width-RearWallGap-RearWallCableGapXOffset, BoxY_Height-RearWallGap-RearWallCableGapHeight-5, BoxZ_Depth-RearWallZOffset-SKIN])
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roundedCube(RearWallCableGapXOffset, RearWallCableGapHeight+5, SKIN, Box_Corner_Radius);
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// screw posts
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translate([FrontGapX/2, SKIN , BoxZ_Depth-RearWallZOffset-RearWallZLedge/2]) rotate([270, 0, 0])
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screwPost(ScrewPostHeight, ScrewPostDiameter, ScrewDiameter, ScrewPostHeight, ScrewPostFillet);
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translate([BoxX_Width-FrontGapX/2, SKIN , BoxZ_Depth-RearWallZOffset-RearWallZLedge/2]) rotate([270, 0, 0])
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screwPost(ScrewPostHeight, ScrewPostDiameter, ScrewDiameter, ScrewPostHeight, ScrewPostFillet);
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// cable strain relief
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translate([BoxX_Width-RearWallGap-RearWallCableGapXOffset+ScrewPostDiameter, BoxY_Height-CableStrainReliefYOffset, BoxZ_Depth-RearWallZOffset-SKIN])
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rotate([180,0,0]) screwPost(ScrewPostHeight, ScrewPostDiameter, ScrewDiameter, ScrewPostHeight, ScrewPostFillet);
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translate([BoxX_Width-RearWallGap-RearWallCableGapXOffset-RearWallCableGapWidth, BoxY_Height-CableStrainReliefYOffset, BoxZ_Depth-RearWallZOffset-SKIN])
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rotate([180,0,0]) screwPost(ScrewPostHeight, ScrewPostDiameter, ScrewDiameter, ScrewPostHeight, ScrewPostFillet);
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StrainReliefHeight=2;
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CableThickness = 0;
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translate([BoxX_Width-RearWallGap-RearWallCableGapXOffset-RearWallCableGapWidth+ScrewPostDiameter/2, BoxY_Height-CableStrainReliefYOffset-StrainReliefHeight/2, BoxZ_Depth-RearWallZOffset-SKIN-ScrewPostHeight+CableThickness])
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cube([RearWallCableGapWidth, StrainReliefHeight, ScrewPostHeight-CableThickness]); // 0.5mm to allow a bit space for the cable
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// support triangles for stability
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SupportWidth = RearWallZLedge-SKIN*2;
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// left
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translate([RearWallGap+Box_Corner_Radius, SKIN, BoxZ_Depth-RearWallZOffset-SupportWidth-SKIN])
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rotate([270, 180, 0]) prism(SKIN, SupportWidth, SupportWidth);
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// right
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translate([BoxX_Width-Box_Corner_Radius-SKIN, SKIN, BoxZ_Depth-RearWallZOffset-SupportWidth-SKIN])
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rotate([270, 180, 0]) prism(SKIN, SupportWidth, SupportWidth);
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// center
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translate([(BoxX_Width-Box_Corner_Radius-SKIN)/2, SKIN, BoxZ_Depth-RearWallZOffset-SupportWidth-SKIN])
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rotate([270, 180, 0]) prism(SKIN, SupportWidth, SupportWidth);
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}
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module makeCableStrainRelief()
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{
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StrainReliefHeight=4+SKIN;
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difference()
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{
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union()
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{
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// cable strain relief
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translate([ScrewPostDiameter, 0, 0])
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rotate([180,0,0]) screwPost(StrainReliefHeight, ScrewPostDiameter, ScrewDiameter, StrainReliefHeight, 0);
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translate([-RearWallCableGapWidth, 0, 0])
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rotate([180,0,0]) screwPost(StrainReliefHeight, ScrewPostDiameter, ScrewDiameter, StrainReliefHeight, 0);
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translate([-RearWallCableGapWidth+ScrewPostDiameter/3, -(StrainReliefHeight-SKIN)/2, -(StrainReliefHeight-SKIN)])
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cube([RearWallCableGapWidth+1, (StrainReliefHeight-SKIN), StrainReliefHeight-SKIN]); // 0.5mm to allow a bit space for the cable
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translate([-RearWallCableGapWidth,-ScrewPostDiameter/2,-SKIN])
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cube([RearWallCableGapWidth+ScrewPostDiameter, ScrewPostDiameter, SKIN]);
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}
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translate([ScrewPostDiameter,0,-SKIN]) hole(ScrewDiameter, SKIN);
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translate([-RearWallCableGapWidth,0,-SKIN]) hole(ScrewDiameter, SKIN);
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}
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}
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