Add Helmet_LED Project

Helmet_LED Center.dxf

@@ -0,0 +1,148 @@
+999
+DXF from OpenSCAD
+  0
+SECTION
+  2
+HEADER
+  9
+$ACADVER
+  1
+AC1006
+  9
+$INSBASE
+ 10
+0.0
+ 20
+0.0
+ 30
+0.0
+  9
+$EXTMIN
+ 10
+0
+ 20
+0
+  9
+$EXTMAX
+ 10
+105
+ 20
+39
+  9
+$LINMIN
+ 10
+0
+ 20
+0
+  9
+$LINMAX
+ 10
+105
+ 20
+39
+  0
+ENDSEC
+  0
+SECTION
+  2
+TABLES
+  0
+TABLE
+  2
+LTYPE
+ 70
+1
+  0
+LTYPE
+  2
+CONTINUOUS
+ 70
+64
+  3
+Solid line
+ 72
+65
+ 73
+0
+ 40
+0.000000
+  0
+ENDTAB
+  0
+TABLE
+  2
+LAYER
+ 70
+6
+  0
+LAYER
+  2
+0
+ 70
+64
+ 62
+7
+  6
+CONTINUOUS
+  0
+ENDTAB
+  0
+TABLE
+  2
+STYLE
+ 70
+0
+  0
+ENDTAB
+  0
+ENDSEC
+  0
+SECTION
+  2
+BLOCKS
+  0
+ENDSEC
+  0
+SECTION
+  2
+ENTITIES
+  0
+LWPOLYLINE
+100
+AcDbEntity
+  8
+0
+100
+AcDbPolyline
+ 90
+6
+ 70
+1
+ 10
+105
+ 20
+19.5
+ 10
+91
+ 20
+39
+ 10
+14
+ 20
+39
+ 10
+0
+ 20
+19.5
+ 10
+26.5
+ 20
+0
+ 10
+78.5
+ 20
+0
+  0
+ENDSEC
+  0
+EOF

Helmet_LED Center.scad

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+total_width=105;
+top_width=77;
+height=39;
+bottom_angle_height=38;
+top_angle_height=25;
+bottom_width=52;
+bottom_diag=30; //35
+top_diag=20; //25
+thickness=1;
+/*[Hidden]*/
+
+mid_height=height/2;//sqrt(bottom_diag^2-((total_width-bottom_width)/2)^2);
+echo(mid_height);
+polygon([
+[(total_width-bottom_width)/2,0],
+[(total_width-bottom_width)/2+bottom_width,0],
+[total_width,mid_height],
+[(total_width-top_width)/2+top_width,height],
+[(total_width-top_width)/2,height],
+[0,mid_height]
+]);

Helmet_LED Center.svg

@@ -0,0 +1,9 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="105mm" height="39mm" viewBox="0 -39 105 39" xmlns="http://www.w3.org/2000/svg" version="1.1">
+<title>OpenSCAD Model</title>
+<path d="
+M 105,-19.5 L 91,-39 L 14,-39 L 0,-19.5 L 26.5,-0 L 78.5,-0
+ z
+" stroke="black" fill="lightgray" stroke-width="0.5"/>
+</svg>