Model scaled from Tamiya kit and various books. Lower hull from 60th card with 3/16 tube axles fitted underneath with brass rod centres. Spring assemblies from 40th strip and shaped card top pieces, made handed left and right and fitted to lower hull sides. Sproket and idler blanks from wood with detail from strip and card, road wheels also from wood with hub detail from card. Body sides, front and rear from 40th card. Track link master made and produced in resin, then drilled and pinned. Main barrel section turned in wood with resin muzzle brake. Inside stowage and radio from various card, strip and rod.