The solution was to use the offcuts and a cheap bottle jack to make a set of rollers that can bend the material into wide arcs. Since I had to buy the $39 jack, the budget was well and truly blown. But this ring roller will be useful for future projects.
Flat Stock Ring Roller by Charlie C -- Homemade flat stock ring
From the shed to the show ring - PressReader
Making a ring roller - The Shed
Ring's new custom alerts let you 'train' your outdoor camera to
Making a ring roller - The Shed
Spinach Dip Crescent Roll Ring [Vegan] - One Green Planet
The Rollenator! (Ring Roller Build)
DIY Structure to Keep Feed Hay Dry Outside (Without a Barn
Ring Roller/rolling Bender : 5 Steps (with Pictures) - Instructables
Notes from the Fell: Poppana
This multi-purpose wire rolling tool functions just like a small rolling mill. This tool is ideal for shaping wire to make ring bands and for
Mini Roller Wire Shaper and Ring Stretching Tool
Project Source Red Steel Storage Shed Anchor in the Storage Shed