Stephan also tried gluing inserts into the parts using resin and CA glue. The resin didn’t cure properly in the opaque parts (6 kg) while CA was comparable to plastic threads, failing at 52 kg.

Read more: The Highly-Rated Landscaping Glue That Keeps Outdoor Stones Secure & Steady Although resin bound gravel has many strengths, one of its downsides is that it's more expensive than ...