The `Test_mesh_boxes` Instrument

Site: Tests_union
Author: Sam Lambrick with Python McStas Instrument Generator
Origin: ESS DMSC / ISIS
Date: 10:07:56 on March 05, 2026

A small instrument to investigate mesh boxes in a user configuration

Identification

Instrument provided by Sam Lambrick from ISIS, that uses three meshes to
make their boxes.

(Test cases in bold)

Test: Detector: psd_detector_I=10.7752
Test: box_file="box.off" blade_file="single_blade.off" Detector: psd_detector_I=10.7752
Test: box_file="box.ply" blade_file="single_blade.ply" Detector: psd_detector_I=10.7752

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
box_file	str	Mesh file of the Be envelope: box.stl (ascii STL), box.off or box.ply	"box.stl"
blade_file	str	Mesh file of the Cd blades: single_blade.stl (ascii STL), single_blade.off or single_blade.ply	"single_blade.stl"