### More Sides

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### Tridecagons

#### Set to 26 and draw a Tridecagon.

#### Save project regularly to your account.

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### Topkapi Scroll

#### 1. Modify the Tridecagon.

#### Press 1 and 2 keys.

#### 2. Add new intersection points and .

#### 3. Modify and .

#### Press 1 and 3 keys.

#### Save project regularly to your account.

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### 1812

#### 1. Plot the points of a 12 sided polygon.

#### 2. Plot the points of an 18 sided polygon.

#### 3. Create a block.

#### 4. Draw a 12 sided pattern.

#### 5. Draw an 18 sided pattern.

#### 6. Draw repeating 18 sided pattern.

#### 6. Draw repeating 12 sided pattern.

#### 6. Draw infill pattern.

### Activity

#### 1812 Door.

#### Save project regularly to your account.