Added SCS bearing blocks, SCSnUU and SCSnLUU variants

tests/scs_bearing_blocks.scad

@@ -0,0 +1,35 @@
+//
+// NopSCADlib Copyright Chris Palmer 2018
+// nop.head@gmail.com
+// hydraraptor.blogspot.com
+//
+// This file is part of NopSCADlib.
+//
+// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
+// GNU General Public License as published by the Free Software Foundation, either version 3 of
+// the License, or (at your option) any later version.
+//
+// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along with NopSCADlib.
+// If not, see <https://www.gnu.org/licenses/>.
+//
+include <../core.scad>
+use <../utils/layout.scad>
+
+include <../vitamins/scs_bearing_blocks.scad>
+
+module scs_bearing_blocks()
+    layout([for(s = scs_bearing_blocks) 2 * scs_size(s)[0]]) {
+        scs_bearing_block_assembly(scs_bearing_blocks[$i]);
+
+        if($i > 0) // skip $i==0, since no SCS6LUU long variant to match SCS6UU
+            translate([0, 60])
+                scs_bearing_block_assembly(scs_bearing_blocks_long[$i - 1]);
+    }
+
+if($preview)
+    scs_bearing_blocks();
+