[Doc] readme update

Unicode breaks the pandoc compiler (because LaTeX is shit).

Makefile

@@ -7,14 +7,10 @@ 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

@@ -2,6 +2,13 @@
 
 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:
@@ -18,3 +25,5 @@ sudo apt install tikzit
 pacman -Sy pandoc texlive-binextra texlive-pictures texlive-latexrecommended texlive-fontsrecommended
 ```
 
+
+

slides/3Dprint/3DPrint.md

@@ -0,0 +1,166 @@
+
+
+# 3D Printing
+
+***
+
+## Machine brands
+
+- Creality Ender
+- Prusa
+- Elagoo
+- Bamboo
+
+...and more
+
+Suggestion [Elagoo centauri](https://us.elegoo.com/products/centauri-carbon) - [40k](https://aldorshop.rs/proizvod/elegoo-centauri-carbon/)
+
+
+***
+
+## Main parts
+
+- Motors x,y,z
+- Buildplate (print bad)
+- Extruder
+- Bowden tube
+- Hotend
+- Nozzle
+- BL Touch
+
+***
+
+## Filamets
+
+- PLA and PLA+
+- PETG 
+- ASA/ABS
+- Resin
+
+...and other
+
+***
+
+## Filament - variations 
+
+ - Dual colors
+ - Shiny, glitter
+ - Transparent
+ - Glow in dark
+ - Elastic 
+ - Wood like
+
+***
+
+## Calibration and troubleshooting
+
+[guide](https://teachingtechyt.github.io/calibration.html)
+
+ - bed leveling
+ - line height
+ - extruder tensioning
+ - fillament temperature
+
+***
+
+## Modeling
+
+- Blender
+- FreeCAD
+
+... and a lot of propriatary tools
+
+***
+
+## Platforms and community
+
+- [Thingiverse](https://www.thingiverse.com)
+- [Printables](https://www.printables.com/)
+- [MyMiniFactory](https://www.myminifactory.com/)
+- [GrabCAD](https://grabcad.com/library)
+- [STL Finder](https://www.stlfinder.com/)
+
+... and much more
+
+***
+
+## Slicing
+
+- Prusa Slicer 
+- Cura 
+- Bamboo lab
+
+- Supports
+- Positioning
+
+
+***
+
+## Some techniques
+
+- Color change
+- Inserting magnets
+- Combining with other things
+    - screws
+    - marbles
+    - spinners
+    - electronics
+- Afterjobs
+    - sanding
+    - polishing
+    - coloring
+
+***
+
+## Monitoring
+
+- Builtin from vendor
+- [OctoPrint](https://octoprint.org/)
+    - OctoPi
+    - OctoPhone
+
+Note: don't expose, use home VPN, tailscale or similar
+***
+
+## Uses and projects
+
+- Fixing stuff
+- Upgrading stuff
+- Tools, skadis
+- Home appliances
+- Electronic devices (ESP, arduino, etc) 
+- Toys
+- Gifts
+
+***
+
+
+## Resources - Subreddits
+
+- r/FixMyPrint
+- r/functionalprint
+- r/3Dprinting
+- r/PrintedMinis
+- r/3dprinter
+- r/3DPrintTech
+
+***
+
+## Serbia
+
+- [DMZ forum post](https://forum.dmz.rs/t/3d-printing/417/4)
+- [Voxellab](https://voxellab.rs/)
+- [Radnja u staklencu](https://3dmarket.rs/3D/3d-stampaci/)
+
+***
+
+## Misc and upgrades
+
+- Printed parts / upgrades
+- Nozzle brush (automated cleaning)
+- Filament cleaner
+- Filament case and heataer
+- Silicone instead of springs for leveling
+- Sanding tools
+- Custom firmware upgrades
+