My version of the Travel Tube from the old TV Show Space 1999 along with base. Dimensions of base: Length 264mm x Width 159mm x Height 211mm.
You will need a small bit of 1/4 inch dowel, copper or brass tube/rod for aligning the end pieces and maglev units. For FDM 0.2mm layer height 4 wall thicknesses Enable Ironing for base pieces
SLA Do not hollow pieces.