refactored sketchup models so that each part has it's own sketchup file, moved others to a subfolder

scad/pica_mount.scad

@@ -0,0 +1,14 @@
+// PICA/Mega mounting bracket
+// For Reprap Wilson II
+// by mjrice
+
+include <configuration.scad>
+
+m3_hole_r = 1.8;
+
+
+y_axis_w = 155.3; // this is the distance from center to center of the y axis beams
+
+pica_mhole_d_x = 108.585; // center to center of mounting holes along x axis
+pica_mhole_d_y = 88.9;    // center to center of mounting holes along y axis
+