FloppyEmuDiskIIEnclosure/scad/components/rear.scad
2022-05-17 00:08:49 +02:00

92 lines
4.3 KiB
OpenSCAD

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