# Blender

- tab: edit mode
- a: select all
- n: n-panel
- e: extrude
- shift + a: add new objects
- shift + s: position the cursor
- shift + d: duplicate selection
- p: seperate selection into a new object
- modifier properties-> add modifier-> mirror-> x-axis & clipping
- clipping - prevents vertices from transforming into image volume
- ctrl + r - face loop cut, splits selected into two across the edge nearer to
       	   the cursor
- ctrl + b - bevel
- w - special tools
- w -> LoopTools -> Flatten
- w -> Smooth - ctrl-q (my shortcut)
- ctrl + e -> bridge edge loop - bridge two edges with new edges by bridging
       	    opposite vertices
- middle button + drag - rotate view
- shift + middle button + drag - move view
- view-> Align View-> Center cursor and view all (Shift+c)
- edit mode seethrough/transparent/x-ray mode: press x-ray button on top right
- join or combine two objects: in object mode drag select the objects and ctrl+j to join or context menu
- smooth/proportional edit: click the circle at top middle, then click&hold 
  on a reshape handle and scroll to increase influence circle.
- F9: brings back object properties menu

## CAD Sketcher addon
```
mkdir ~/workspace/blenderPyEnv
python -m venv ~/workspace/blenderPyEnv/
cd blenderPyEnv
. ./bin/activate
pip install py-slvs
mkdir addons
cd addons
//git clone https://github.com/hlorus/CAD_Sketcher.git
# download and extract from https://keepmaking.gumroad.com/l/CADsketcher
sudo emerge -av dev-lang/swig
blender&
```
- Edit->Preferences->FilePaths->ScriptDirectories->+->
  ~/workspace/blenderPyEnv/
- restart blender
- Edit->Preferences->Add-ons->CADSketcher->SolverModule->registerWithPip
- restart blender
- n->sketcher->newSketch: gives the cartisan planes
- click the xy plane
- sketcher->entities: u can c SlvsPoint2D(0), a sketcher point
- leftToolBar->addRectangle->3dSpace->clickNDrag: gives rectangle