LMS articulated Sentinel steam railcar
original pre-production version
Sentinel built steam railcars for both the LMS an LNER. The LMS tested a prototype lightweight version(similar to the LNER lightweight ones), and subsequently orderd some slightly altered versions themselves.
TT scale(1/100 3mm/ft)
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more info about LMS Sentinel railcar here
https://www.lmssociety.org.uk/monologues/M14.pdf
more 3d printed models from Recreation21 here
https://www.rue-d-etropal.com/3D-printing/3d_printed_designs.htm
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