Fixed platters and panels not working in the GUI, a regression.

set_config() now puts $cwd in target.scad.
use_stl() and use_dxf() included again instead of used.

scripts/set_config.py

@@ -69,7 +69,11 @@ def set_config(target, usage = None):
         sys.exit(1)
 
     fname = source_dir + "/target.scad"
-    text = ['include <config_%s.scad>\n' % target, '$target = "%s";\n' % target];
+    text = ['include <config_%s.scad>\n' % target,
+            '$target = "%s";\n' % target,
+            '$cwd="%s";\n' % os.getcwd().replace('\\', '/')
+    ]
+
     lines = [""]
     try:
         with open(fname,"rt") as f:

utils/core/bom.scad

@@ -146,17 +146,11 @@ module dxf(name) {                      //! Name a dxf that will appear on the B
         }
 }
 
-module use_stl(name) {               //! Import an STL to make a build platter
-    stl(name);
-    path = is_undef($target) ? "/stls/" : str("/", $target, "/stls/");
-    import(str($cwd, path, name, ".stl"));
-}
+module use_stl(name)                //! Import an STL to make a build platter
+    assert(false);                  // Here for documentation only, real version in core.scad
 
-module use_dxf(name) {               //! Import a DXF to make a build panel
-    dxf(name);
-    path = is_undef($target) ? "/dxfs/" : str("/", $target, "/dxfs/");
-    import(str($cwd, path, name, ".dxf"));
-}
+module use_dxf(name)                //! Import a DXF to make a build panel
+    assert(false);                  // Here for documentation only, real version in core.scad
 
 function value_string(value) = is_string(value) ? str("\"", value, "\"") : str(value); //! Convert `value` to a string or quote it if it is already a string
 

utils/core/core.scad

@@ -25,3 +25,15 @@ include <../../global_defs.scad>
 // Global functions and modules
 //
 use <global.scad>
+
+module use_stl(name) {               //! Import an STL to make a build platter
+    stl(name);
+    path = is_undef($target) ? "../stls/" : str($cwd, "/", $target, "/stls/");
+    import(str(path, name, ".stl"));
+}
+
+module use_dxf(name) {               //! Import a DXF to make a build panel
+    dxf(name);
+    path = is_undef($target) ? "../dxfs/" : str($cwd, "/", $target, "/dxfs/");
+    import(str(path, name, ".dxf"));
+}