Parametric bouldering/climbing wall

A parametric model of a bouldering wall, easily adaptable for your use. 

Open the .blend file in Blender (I use blender3.6) to modify the parametric bouldering wall. Use the Controller Curve to draw the shape of the bouldering wall:

For more control use the modifiers: feel free to experiment with these.

The modifiers you can change: 

To print the model, click on the BOULDER WALL object. file>export>.stl and press selection only. Otherwise, the loose handles will also be added. 

If you want to add more types of handholds add them to the HANDHOLDS collection. 

Made use of the handholds, to make a parametric model for creation of bouldering wall