1/2/3 vert/edge/face mode
click select · shift+click add
Click: pick · Box: drag box · Lasso: drag freehand · Wire: see-through
A all · Alt+A none
G grab · S scale · R rotate
E extrude · I inset · B bevel · Ctrl+R loop cut
X delete · Ctrl+X dissolve · M merge
F fill · Ctrl+F bridge
Done / Esc exit