[Slide] 3D print

(cherry picked from commit f92cf0c343)

Makefile

@@ -7,10 +7,14 @@ help: ## Print the help message
 # Search should not include slides separated by '***', as those are for mdp, not pandoc.
 markdown != find slides/ -maxdepth 2 -type f -name "*.md" -exec grep -LF '***' '{}' ';'
 pdfs = $(patsubst %.md, %.pdf, $(markdown))
+handouts = $(patsubst %.md, %_handout.pdf, $(markdown))
 
 $(pdfs): %.pdf: %.md
 	pandoc -t beamer -V theme:Warsaw -i $< -o $@
 
+$(handouts): %_handout.pdf: %.md
+	pandoc -t beamer -V handout -V theme:Warsaw -i $< -o $@
+
 .PHONY: pdfs
 pdfs: $(pdfs) ## Generate all pdfs (try `make -j pdfs`)
 

README.md

@@ -2,13 +2,6 @@
 
 Usage: `make`
 
-or
-
-```sh 
-pandoc -t beamer -V handout -V theme:Warsaw -i slides.md -o slides.pdf
-## `-V handout` for one slide per one page
-```
-
 ## Dependecies:
 
 ### For Debian:
@@ -25,5 +18,3 @@ sudo apt install tikzit
 pacman -Sy pandoc texlive-binextra texlive-pictures texlive-latexrecommended texlive-fontsrecommended
 ```
 
-
-