How do I flatten paint by number canvas?

Flattening a paint by number canvas is an important step, especially if it arrives rolled up and you notice wrinkles or creases. Here are several methods you can use to flatten your canvas:

### 1. Use Heavy Books

1. **Lay the Canvas Flat**: Place the canvas face-down on a clean, flat surface.
2. **Cover with Paper**: To protect the canvas, you might want to cover it with a piece of parchment paper or a clean cloth.
3. **Place Heavy Books**: Put heavy books or other flat, weighty objects evenly across the canvas.
4. **Wait**: Leave the books on the canvas for 24-48 hours. This should help flatten it out.

### 2. Ironing (for canvas without paint)

If your canvas is not painted yet:

1. **Set Iron**: Heat an iron to a low or medium setting, and ensure the steam option is turned off.
2. **Protective Layer**: Place a thin cloth or parchment paper over the canvas to protect it. Never iron directly on the canvas.
3. **Iron Gently**: Gently iron over the cloth or paper, moving in circular motions and being careful not to linger too long in any spot.
4. **Cool Down**: Allow the canvas to cool before moving it.

### 3. Use a Cylinder to Roll the Canvas

1. **Opposite Roll**: If the canvas comes rolled up, try rolling it gently in the opposite direction. Use a tube or a similar cylindrical object to help with this.
2. **Secure and Wait**: Secure it with a rubber band (loosely) and leave it for a few hours.

### 4. Stretching the Canvas Over a Frame

If you have a frame:

1. **Stretch It**: Stretch the canvas over the frame and secure it using staples or canvas clips. This method not only classifies the canvas but also prepares it for hanging.

### 5. Using Warm Mist or Humidity

1. **Bathroom Method**: Hanging the canvas in a bathroom while taking a hot shower can help. The humidity helps relax the canvas fibers. Make sure it doesn't get wet, though. Afterward, lay it flat under heavy books.

### Precautions:

- If the canvas has already been painted, be cautious with heat or moisture methods to avoid damaging the paint.
- Always use a protective layer if ironing is necessary to prevent a direct contact between the canvas and the iron.

Flattening your paint by number canvas improves the painting process, making working on a smooth surface easier. Choose the method that best suits your situation, considering whether your canvas has been painted and the materials you have at hand.