Fork holder for MTB 15x110

I use this to hold my bikes on place in our caravan. 
I dont want to have them outside when we drive. 

Built a frame and atteached it to were the table is attached with this clamps: 
 

https://www.caravankungen.se/bordsfaste-beslag-gra-passar-ka-k19-91.html?gad_source=1&gclid=CjwKCAjwt-OwBhBnEiwAgwzrUgza4fxQqnINqSVxyNeXMQ959mKWIJgDYwSRKMa7BDcMguAuZaF_tRoCxqQQAvD_BwE

I use PETG with 100% infill and support under the tube for the fork
No nedd for supports inside the pipe but you might need to clean the pipe with a 15mm drill