#openscad -o output/bushing.stl bushing.scad INCLUDES = $(wildcard inc/*.scad) MODELS = $(filter-out configuration.scad, $(wildcard *.scad)) STL_FILES_1 = $(foreach src, $(MODELS),output/$(src)) STL_FILES = $(STL_FILES_1:%.scad=%.stl) all: $(STL_FILES) output/%.stl: %.scad $(INCLUDES) configuration.scad mkdir -p output openscad -o $@ $<