This is the official TD(Transmission Distance) step test developed by the creator of HueForge(listed here with his permission). This test can be used to test the TD of your filament TDs. This is the LEDs I used for the light box https://www.amazon.com/BTF-LIGHTING-Dimmable-Flexible-Backlight-Decoration/dp/B08X6LHLR9.
These LEDs can be substituted with any 5v LEDs with a similar LED per inch density.
Video tutorial - https://www.youtube.com/live/iPjsLEmgbog?feature=share

**Print Settings**
- TD_Step_Test - 100% infill @ 0.2 layer, filament type and color you are testing.
- TD_Step_Test_Plus_4 - 100% infill @ 0.2 layer, filament type and color you are testing. - TD_Step_Test_Slide_In_Frame - 2+ walls 15% infill, 3-5 top and bottom layers, black/dark filament
- TD_Step_Test_Box_Top - 2+ walls 15% infill, 3-5 top layers, black/dark filament(choose from the three options.) For multicolor text, choose your color for the text.

**Testing Filament**
Place the step test into the viewing lid and with the led lights on check for the step where the light starts to dim to the point that any steps beyond are all the same brightness. The last step before the final dimming, is your calculated TD value. If all the steps are bright, print and insert a TD_Step_Test_Plus_4 of the same filament under the step test block and check again. This block adds 4 to the number on the top of the box. If adding one TD_Step_Test_Plus_4 block is still not enough, keep adding additional TD_Step_Test_Plus_4 blocks till the steps begin to dim.

**EDIT 8/15/2023**
Uploaded a V2 of the following
- TD_Step_Test_Box_Top models(adds a notch for proper indexing the TD_Step_Test and grooves for easy swatch removal)
 - TD_Step_Test(with grooves to align with new notch in the TD_Step_Test_Box_Top)
- TD_Step_Test_Plus_4(adds the same grooves as the TD_Step_Test)
All previous models are still valid ways of testing your filament. These updated models just add some quality of life improvements and allows for additional quality of life improvements for storage solutions such as https://than.gs/m/918176.

**EDIT 8/16/2023**
Uploaded a V2 of the following
- TD_Step_Test_Slide_In_Frame to removed the overhang, add a detent for snapping the TD_Step_Test_Box_Top in place. 
- TD_Step_Test_Box_Top(each option) added detent for snapping into TD_Step_Test_Slide_In_Frame. Added HueForge Text. Extended bottom length to end of box.

**EDIT 8/17/2023**
Added 1mm_diffuser. Print in white and drop into the bottom of the box.

**EDIT 9/9/2023**
Corrected the TD_Step_Test object. There was an error that made the 2.0 and 2.2 the same height and every other step above 2.2 was off by 0.2.

Official HueForge TD Step Test and Light Box

This is the official TD(Transmission Distance) step test developed by the creator of HueForge(listed here with his permission). This test can be used to test the TD of your filament TDs. This is the LEDs for the light box https://www.amazon.com/BTF-LIGHTING-Dimmable-Flexible-Backlight-Decoration/dp/B08X6LHLR9/ref=mp_s_a_1_1_sspa?crid=379DBJCY97I2S&keywords=usb%2Bcob%2Bled%2Bstrip&qid=1691975850&sprefix=usb%2Bcob%2B%2Caps%2C99&sr=8-1-spons&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9zZWFyY2hfYXRm&th=1.

**Print Settings**
- TD_Step_Test - 100% infill @ 0.2 layer, filament type and color you are testing.
- TD_Step_Test_Plus_4 - 100% infill @ 0.2 layer, filament type and color you are testing. - TD_Step_Test_Slide_In_Frame - 2+ walls 15% infill, 3-5 top and bottom layers, black/dark filament
- TD_Step_Test_Box_Top - 2+ walls 15% infill, 3-5 top layers, black/dark filament(choose from the three options.) For multicolor text, choose your color for the text.

**Testing Filament**
Place the step test into the viewing lid and with the led lights on check for the step where the light starts to dim to the point that any steps beyond are all the same brightness. The last step before the final dimming, is your calculated TD value. If all the steps are bright, print and insert a TD_Step_Test_Plus_4 of the same filament under the step test block and check again. This block adds 4 to the number on the top of the box. If adding one TD_Step_Test_Plus_4 block is still not enough, keep adding additional TD_Step_Test_Plus_4 blocks till the steps begin to dim.

TD_Step_Test.stl

TD_Step_Test_Box_Top_Multicolor_Flush.3mf

TD_Step_Test_Box_Top_Extruded_Text.stl

TD_Step_Test_Plus_4.stl

TD_Step_Test_Slide_In_Frame.stl

TD_Step_Test_Box_Top_Embossed_Text.stl

1mm_Diffuser.stl

This is a collection of Gridfinity bins designed to not only store your filament TD_Step_Test swatches. These bins not only store your swatches, but the also snap into place to prevent accidental spillage.
- Bins ending with 4TD are designed to store filaments with a TD of 4 or less. They allow for a single TD_Step_Test swatch to snap into place.
- Bins ending with TD8 are designed to store filament with a TD between 4.2 and 8. They are designed with a double space to allow for storage of the TD_Step_Test swatch and a TD_Step_Test_Plus_4 swatch stacked together. These also snap into place.
- Bins ending with TD12 are designed to store filament with a TD between 8.2 and 12. They are designed with a triple space to allow for storage of the TD_Step_Test swatch and two TD_Step_Test_Plus_4 swatches stacked together. These also snap into place.
These bins were designed to pair perfectly with my Official HueForge TD Step Test found here https://than.gs/m/917384 and my Rugged Box Gridfinity Parametric model, found here https://than.gs/m/918184

Gridfinity HueForge TD Step Test Swatch Bins

1x2 Swatch Storage 8TD.stl

1x2 Swatch Storage 12TD.stl

1x3 Swatch Storage 4TD.stl

1x3 Swatch Storage 8TD.stl

1x3 Swatch Storage 12TD.stl

1x1 Swatch Storage 4TD.stl

1x1 Swatch Storage 8TD.stl

1x2 Swatch Storage 4TD.stl

This is a parametric version of my Rugged Box Gridfinity(https://than.gs/m/841349) to change parameters, load in Fusion 360 and change the slotsWide, slotsDeep, and slotsHigh as needed for your application. TPU gasket is optional in most uses. Handle is optional and might not work with all box configurations.
WARNING: this handle is quite thin and only pressure fit, so make sure you test it with the weight of what you plan to keep in the box.

This is a mashup of the Rugged box from https://www.printables.com/model/258431-rugged-box-parametric/files and the Gridifinity base plate from here https://www.printables.com/model/377158/files\

**EDIT 8/17/2023**
Changed the label for the lid body to no longer be body32 but rather be Box Lid. This change has no geometry changed and is purely a labeling correction.

Rugged Box Gridfinity Parametric.3mf

This is a parametric version of my Rugged Box Gridfinity(https://than.gs/m/841349) to change parameters, load in Fusion 360 and change the slotsWide, slotsDeep, and slotsHigh as needed for your application. TPU gasket is optional in most uses. Handle is optional and might not work with all box configurations.
WARNING: this handle is quite thin and only pressure fit, so make sure you test it with the weight of what you plan to keep in the box.

This is a mashup of the Rugged box from https://www.printables.com/model/258431-rugged-box-parametric/files and the Gridifinity base plate from here https://www.printables.com/model/377158/files\

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