From 1b003081b689d0f999e6123cc330bb94d6aa6662 Mon Sep 17 00:00:00 2001
From: Jonas Gunz <himself@jonasgunz.de>
Date: Sun, 15 Jan 2023 20:47:24 +0100
Subject: Makefile, readme

---
 Makefile  | 37 +++++++++++++++++++++++++++++++++++++
 README.md |  9 +++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 Makefile

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a47a419
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,37 @@
+SCAD=openscad
+
+STLOPTS= --export-format binstl
+PNGOPTS= --viewall --autocenter --imgsize 400,400 --render
+
+SRC = $(wildcard *.scad)
+
+STL = $(SRC:.scad=.stl)
+PNG = $(SRC:.scad=.png)
+
+_default: stl
+
+all: clean stl png
+
+stl: $(STL)
+
+gridfinity.stl: gridfinity.scad
+	@echo
+
+%.stl: %.scad
+	@echo [ STL ] $<
+	@$(SCAD) $(STLOPTS) -o $@ $<
+
+
+png: $(PNG)
+
+gridfinity.png: gridfinity.scad
+	@echo
+
+%.png: %.scad
+	@echo [ PNG ] $<
+	@$(SCAD) $(SCADOPTS) -o $@ $<
+
+.PHONY: clean
+clean:
+	@rm -f *.stl
+	@rm -f *.png
diff --git a/README.md b/README.md
index c64f62f..d3326c7 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,15 @@ use <gridfinity.scad>
 gridfinity(2, 1, 2, lip=true, magnets=false);
 ```
 
+## Building
+
+STLs and PNGs can be built with GNU make by just running
+`make stl` and `make png`
+respectively.
+
+T build a single object, use the desired file as a target:
+`make example.stl`
+
 ## License
 
 Licensed under the MIT License. Consult `LICENSE`.
-- 
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