Veja abaixo o vídeo mostrando 10 Plug-ins e Scripts úteis para a produção de arquitetura no 3ds max, além da lista com os links de todos eles.

CityScape Pro: https://www.simpolium.com/
MultiScatter: https://rendering.ru/multiscatter.html
PolyDetail: https://www.cgtrader.com/3d-models/scripts-plugins/modelling/polydetail-ornament-plugin-for-3dsmax
Forest Pack: https://www.itoosoft.com/forestpack
Random Select: http://www.scriptspot.com/3ds-max/scripts/random-select-2
Rock Generator: https://www.cgtrader.com/3d-models/scripts-plugins/modelling/rock-generator-v2-2018
Stone Placement Tool: http://www.scriptspot.com/3ds-max/scripts/stone-placement-tools
Show Textures in Viewport: https://www.splinedynamics.com/free-3dsmax-scripts/
Weaver Modifier: https://www.cgtrader.com/3d-models/scripts-plugins/modelling/weaver-modifiers
MW RoofGen: https://www.shikhapackers.com/mw-roofgen-v1-3-mark-whelan-3dsmax-script/

Acesse o outro vídeo do mesmo autor mostrando mais 10 Plug-ins clicando aqui.