Hi,

My cat scratch post insert broke. I inspected to find the fault was a plastic moulded piece that housed a nut that was inset into the plastic moulding.

So created a universal fitting for dimensions 58mm fitting. You need to drill out the whole and then set in the nut (I used a glue gun). Hopefully it will last but if not I will post an updated design version here.

The design specs are

• PLA printed on Prusa i3 MK3
• 58 mm diameter
• 45mm height
• 21mm hexagon - full opening (to fit any size nut if glued)
• 3mm tickness (main outer wall)
• 4mm inner wall (approx)

Please do add comments as it helps others. Thanks.