niewinny

Blockout is a 3D modeling add-on for Blender built for rapid prototyping and base shape creation. It works through boolean operations, shape primitives, and modeling tools you drive with a keypress and the left mouse button.

Lost Selection is a Blender add-on that extends the default selection with extra operators for Object and Edit modes, selecting by display type, material, color, rotation, modifiers, crease, sharp, bevel weight, seam, and edge length.

Rotor is a mirror tool for Blender that simplifies working with mirroring objects. Press Alt X or select the active tool, then pick the side you want to mirror along.