update stls and build script with custom target

.gitignore

@@ -1,3 +1,9 @@
 *~
 [#]*
 .idea
+
+
+stl/
+!stl/mini/
+!stl/micro/
+!stl/nano/

README.md

@@ -14,7 +14,7 @@ See the [renders for difference parametric profiles here](media/renders)
 
 ## Assembly
 
-Pre-generated STLs for roughly 200mm^3 (mini), 170mm^3 (micro), and 100mm^3 (nano) rack frames can be found in [stl](stl).
+Pre-generated STLs for roughly 200mm^3 (mini), 180mm^3 (micro), and 100mm^3 (nano) rack frames can be found in [stl](stl).
 These STLs are generated from the files in [rack/print](rack/print), and [rack-mount/print](rack-mount/print) - further information about printing these parts 
 (supports, orientation) can be found in these files.
 
@@ -54,13 +54,16 @@ Requirements:
   - `python3`
 
 ### Examples:
-Generate all project files for the `mini` profile:
+Generate all project files for the `micro` profile:
 
-`python3 rbuild.py -b all -c micro`
+`python3 rbuild.py -b all -c micro -t custom`
 
-Generate specific part: 
+This will build all the required STLs for a micro rack in the `stl/custom/` directory.
 
-`python3 rbuild.py -b yBar`
+
+For generating a specific part: 
+
+`python3 rbuild.py -b yBar -c micro -t custom`
 
 Generated stls are put into the `stl/` directories. The actual variable values for different profiles can be found in  
 [rack/profiles.scad](rack/profiles.scad).

rack/profiles.scad

@@ -12,7 +12,7 @@
 
 _profileConfigs = [
     ["default", [
-      ["maxUnitWidth", 170],
+      ["maxUnitWidth", 180],
       ["maxUnitDepth", 180],
       ["numRailScrews", 18],
       ["screwDiff", 10],
@@ -27,7 +27,7 @@ _profileConfigs = [
       ["numRailScrews", 10]
     ]],
     ["micro", [
-      ["maxUnitWidth", 170],
+      ["maxUnitWidth", 180],
       ["maxUnitDepth", 180],
       ["numRailScrews", 18]
     ]],

rbuild.py

@@ -30,8 +30,7 @@ def main():
     parser = argparse.ArgumentParser(
         prog='rbuild',
         description='CLI-based helper utility to build project items. '
-                    'This includes both the rack and also rack-mount items',
-        epilog='That\'s all folks!'
+                    'This includes both the rack and also rack-mount items'
     )
 
     parser.add_argument(
@@ -44,24 +43,43 @@ def main():
 
     parser.add_argument(
         '-c',
-        default=BuildSizeConfig.MINI,
+        default=BuildSizeConfig.MICRO,
         choices=[BuildSizeConfig.NANO, BuildSizeConfig.MINI, BuildSizeConfig.MICRO],
         help='Build size config profile. This will determine the size of the rack you wish to generate. '
              'For actual dimensions, please see profiles.scad.'
     )
 
+    parser.add_argument(
+        '-t',
+        default="",
+        help='Target directory to build STLs in (is under the /stl directory). Default target directory is based on '
+             'the config.'
+    )
+
+    parser.add_argument(
+        '-dz',
+        default=0,
+        help='Override number of rail screws (ie override rail height). Defaults to profile settings.'
+    )
+
     args = parser.parse_args()
+    run_build(args)
+
+
+def run_build(args):
 
     build_var = args.b
     config_var = args.c
+    target_var = args.t
+    dz = args.dz
 
-    run_build(build_var, config_var)
+    if target_var != "":
+        final_target_directory_name = target_var
+    else:
+        final_target_directory_name = config_var
 
-
-def run_build(build_var, config_var):
-
-    rackBuildDirFull = os.path.join(BUILD_PARENT_DIR, config_var, RACK_BUILD_TARGET_SUB_DIR)
-    rackMountBuildDirFull = os.path.join(BUILD_PARENT_DIR, config_var, RACK_MOUNT_BUILD_TARGET_SUB_DIR)
+    rackBuildDirFull = os.path.join(BUILD_PARENT_DIR, final_target_directory_name, RACK_BUILD_TARGET_SUB_DIR)
+    rackMountBuildDirFull = os.path.join(BUILD_PARENT_DIR, final_target_directory_name, RACK_MOUNT_BUILD_TARGET_SUB_DIR)
 
     if not os.path.exists(rackBuildDirFull):
         os.makedirs(rackBuildDirFull)
@@ -71,10 +89,10 @@ def run_build(build_var, config_var):
 
     if build_var == 'all':
         for dir_file in os.listdir(RACK_BUILD_DIR):
-            build_single(RACK_BUILD_DIR, rackBuildDirFull, dir_file, config_var)
+            build_single(RACK_BUILD_DIR, rackBuildDirFull, dir_file, config_var, dz)
 
         for dir_file in os.listdir(RACK_MOUNT_BUILD_DIR):
-            build_single(RACK_MOUNT_BUILD_DIR, rackMountBuildDirFull, dir_file, config_var)
+            build_single(RACK_MOUNT_BUILD_DIR, rackMountBuildDirFull, dir_file, config_var, dz)
         return
 
     filename_rack = find_rack(build_var)
@@ -85,23 +103,30 @@ def run_build(build_var, config_var):
         return
 
     if filename_rack:
-        build_single(RACK_BUILD_DIR, rackBuildDirFull, filename_rack, config_var)
+        build_single(RACK_BUILD_DIR, rackBuildDirFull, filename_rack, config_var, dz)
 
     if filename_rack_mount:
-        build_single(RACK_MOUNT_BUILD_DIR, rackMountBuildDirFull, filename_rack, config_var)
+        build_single(RACK_MOUNT_BUILD_DIR, rackMountBuildDirFull, filename_rack, config_var, dz)
 
 
-def build_single(build_dir, target_dir, filename, config):
+def build_single(build_dir, target_dir, filename, config, dz):
     print('Building:', filename, 'from', build_dir, 'to', target_dir)
-    openscad_args = construct_openscad_args(build_dir, target_dir, filename, config)
+    openscad_args = construct_openscad_args(build_dir, target_dir, filename, config, dz)
     run_openscad(openscad_args)
 
 
-def construct_openscad_args(build_dir, target_dir, filename, config):
+def construct_openscad_args(build_dir, target_dir, filename, config, dz):
     source = os.path.join(build_dir, filename)
     target = os.path.join(target_dir, os.path.splitext(filename)[0] + '.stl')
 
-    return ['-D', 'profileName=\"' + config + '\"', '-o', target, source]
+    openscad_args = ['-D', 'profileName=\"' + config + '\"']
+
+    if dz != 0:
+        openscad_args += ['-D', 'numRailScrews=' + dz]
+
+    openscad_args += ['-o', target, source]
+
+    return openscad_args
 
 
 def find_rack(filename):