add support for building .sl1 and .ctb outputs, for resin-based printers

Makefile

@@ -66,7 +66,7 @@ SLIC3R_FLAGS=\
 	--skirts 3
 # --brim-width 10  #< combine with raft, if first layer fails to adhere well
 
-all: build/case.stl build/case.gcode
+all: build/case.stl build/case.gcode build/case.sl1 build/case.ctb
 
 install:
 	mkdir -p $(SHAREDIR)
@@ -101,10 +101,20 @@ build/case.stl: main.py src/*.py
 	mkdir -p "$(@D)"
 	./main.py --export-stl $@
 
+# .gcode: for FDM printers
 %.gcode: %.stl
 	mkdir -p $(shell dirname $@)
 	slic3r $(SLIC3R_FLAGS) $< -o $@
 
+# .sl1: for prusa resin-based printers
+%.sl1: %.stl
+	prusa-slicer --export-sla $<
+
+# .ctb: for Elegoo printers (requires `uvtools` package)
+%.ctb: %.sl1
+	# XXX: UVtoolsCmd exits `1` on success ?? (what does it exit on failure? bleh)
+	UVtoolsCmd convert $< Chitubox $@  || test -f $@
+
 readme: readme_files/pinephone_front_case_with_phone.png readme_files/pinephone_back_case_with_phone.png readme_files/pinephone_side_case_with_phone.png
 
 doc: readme build/web-viewer/index.html

README.md

@@ -27,6 +27,9 @@ you'll need a browser which supports webGL (e.g. chromium).
   - Python3
   - cadquery
   - cq-editor (for interactive viewing/development)
+  - slic3r (if you want .gcode files, for FDM printers)
+  - prusa-slicer (if you want .sl1 files, for resin printers)
+  - uvtools (if you want .ctb files, for resin printers)
 
 ## Building
 

flake.nix

@@ -14,6 +14,7 @@
       buildInputs = [
         cqPkgs.cadquery
         cqPkgs.cq-editor
+        pkgs.prusa-slicer
         pkgs.slic3r
         pkgs.chromium
         # (pkgs.python37.withPackages (ps: with ps; [ cadquery ]))