For the scale missing issue, please update the graphic card driver on your computer to latest version have a try.
About scaling the image, there are two ways to modify its size:
- Double click on the image, a small window will pop up. Now you can modify the Width and Height size for the image.
Before you cut or engrave, you can click on Preview Engraving Area to check if it fit size of your material.
You can also drag the image to change its position to fit the position of your material too.
Here is our learn website where provide all the instruction for Laserbot and mLaser software to you for reference.