Multi-colour plant labels

Remixed to split the original placard into 2 parts: the outer frame and back and the label. This way you can print the outer frame one colour, the label area another colour and use the customizer to generate the text to print as a third colour.

To use this, download the 2 stl files (plant_sign_outer, plant_sign_label) and then use the customizer to generate the stl for the text. Load all three stls into your slicer and slice like normal.

For a vegetable garden, I had the slicer double th