Here are the stand-alone Crystal Chamber available at GOTH-3Designs:

These parts are no longer supported

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1.11″ OD Crystal Chamber:

3d printed parts:
=> Part 1 –  Shell – gcm111-cc-02-1-crystal-chamber-part1-shell
=> Part 2 – Ring 1 – gcm111-cc-02-2-crystal-chamber-part2-insert
And additional parts used in the assembly:
=> A crystal (max 10mm OD) – Optional 3D printed Crystal available: gcm111-cc-02-crystal
=> 2 * 4-40 threaded rods (holes matches the other GCM Chassis Modules)
=> **Optional** 6 * 5mm and 1 * 14mm brass tube (4mm OD max) to cover the rods

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1.14″ OD Crystal Chamber:

3d printed parts:
=> Part 1 –  Shell – gcm114-cc-03-1-crystal-chamber-part1-shell
=> Part 2 – Insert 1 – gcm114-cc-03-2-crystal-chamber-part2-insert1
=> Part 3 – Insert 2 – gcm114-cc-03-3-crystal-chamber-part3-insert2
And additional parts used in the assembly:
=> A crystal, approx 11mm OD, approx 15mm length
=> 2 * 4-40 threaded rods (holes matches the other GCM Chassis Modules)
=> **Optional** 6 * 5mm and 1 * 14mm brass tube (4mm OD max) to cover the rods

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1.24″ OD Crystal Chamber:

3d printed parts:
=> Part 1 –  Shell – gcm124-cc-01-1-crystal-chamber-part1-shell
=> Part 2 – Ring 1 – gcm124-cc-01-2-crystal-chamber-part2-brass1
=> Part 3 – Ring 2 – gcm124-cc-01-3-crystal-chamber-part3-brass2
=> Part 4 – Insert – gcm124-cc-01-4-crystal-chamber-part4-bronze
And additional parts used in the assembly:
=> A crystal
=> 2 x 4-40 threaded rods (holes matches TCSS disks and other GCM124 chassis modules)
=> **Optional** 6 * 5mm long brass tube to cover the rods
=> **Optional** 1.5mm OD brass or coper rod – 17mm length