## ...add a circular hole in a body?

Offset

Turn into Circle

Move (M)

Shift-drag (resize)

Repeat on the other side

Hole

## ..add a circle across multi-face?

Add vertices at centers (Shift-V)

Add straight edges (Shift-E)

Add last edge (Shift-E)

Select loop (Shift-click)

Turn into Circle

Move (M)

## ....create a smooth curved tube?

**Method 1**

Pop-out (P)

Set distance (click)

Set angle (click)

Pop-out (P)

Fix (X)

Select edge chains (including fixed)

Set smoothen strength

Smoothen all chains

Unfix (Shift-X)

Move (M)

Fix (X)

Select edge chains (including fixed)

Smoothen

Copy Body

Set move distance (click)

Set rotate angle (click)

Bridge

**Method 2 (alternative)**

Select all faces (Shift-click)

Copy body (Ctrl-C)

Set angle (click)

Scale dimension (click)

Select edge chains (including fixed)

Set smoothen strength

Smoothen all chains

Unfix (Shift-X)

Move (M)

Fix (X)

Select edge chains (including fixed)

Smoothen

Copy Body

Set move distance (click)

Set rotate angle (click)

Bridge

## ...apply smoothness?

Move (M)

Pop-out (P)

Repeat...

Hide edges (W) and faces (R)

Fix all vertices (X)

Select all edge chains (Shift-click)

Smoothen

Repeat with edge loops

## ...soften sharp edges?

Pop-out (P)

Fix loop (Shift-click & X)

Fix outer faces (X)

Delete edges

Delete vertices

Repeat on opposite side

Use the "2" shortcut to delete vertices

Smoothen

## ...simulate a wide fillet on a junction?

Add vertices at edge fraction (Shift-V)

Add straight edges (Shift-E)

Repeat

Smoothen selected edge pairs

Delete vertex

Add straight edges (Shift-E)

Fix edges (X)

Smoothen

## ...round a cylindrical shape?

**Rounding on one side**

Pop-out (P)

Delete edges

Delete vertices (2)

Smoothen

**Rounding on both sides**

Add vertices at centers (Shift-V)

Add edges (E)

Circle

Fix loop (Shift-click and X)

Fix faces (X)

Select chains

Smoothen

## ...improve display of continuity?

Beware of triangulation artifacts! Not actual surface quality issues. Increasing the triangulation size removes them.