Hi Roger, You posted a very good summary. For solvent, I use Methyl Ethyl Ketone, not expensive, even from Amazon, and apply to the gaps using a 5mL syringe, with a blunt needle from the same source - just a couple of drops and it 'wicks in'.  You can get 500ml of MEK, for about the same price as you'd pay for 50mL at a model shop. On 10/12/2022 13:32, Roger Whiteley via Discuss wrote: > _______________________________________________ > OpenSCAD mailing list > To unsubscribe send an email to discuss-leave@lists.openscad.org