• May include: A circular tan pendant featuring a raised archway symbol in the center and a decorative beaded border along the outer edge. The pendant includes a small loop at the top for attachment, presented in a solid, monochromatic tan color.
  • May include: A light tan circular pendant featuring a top loop for hanging. The outer edge is decorated with a series of small, evenly spaced raised circular studs. The center of the pendant has a smooth, recessed circular design.
  • May include: A brown circular Roman Arch Medallion ornament featuring a central arch design and a beaded border. The text Roman Arch Medallion is displayed at the top. Dimensions are 80.0 x 4.0 x 88.0 mm as indicated by the technical diagram.
  • May include: A digital download file listing titled WHAT'S IN THE FILE, featuring 1 STL file, Bambu Studio 3MF projects, and a PDF print guide. A beige circular pendant with a central arch design and a 4.2 mm hanging loop is displayed.
  • May include: A round, tan, 3D-printed medallion featuring a central archway icon and a beaded border, accompanied by a technical list of print settings including a 0.4 mm nozzle, 0.20 mm layer height, 15% infill, and 14.1 g of PLA matte filament.
  • May include: A circular tan pendant featuring a raised archway icon in the center and a beaded border. The text below reads: COMMERCIAL PRINT LICENSING AVAILABLE. Wholesale & Custom Orders welcome. Message us on Etsy.
  • May include: A dark gray graphic featuring a white line-art horse head icon with a small triangle on the forehead. Text reads: ENTROPY RANCH, NOT A PRINT FARM. A PRINT RANCH., and Made to order, from one unit to full production runs.
  • May include: A circular tan pendant featuring a raised archway symbol in the center and a decorative beaded border along the outer edge. The pendant includes a small loop at the top for attachment, presented in a solid, monochromatic tan color.
  • May include: A light tan circular pendant featuring a top loop for hanging. The outer edge is decorated with a series of small, evenly spaced raised circular studs. The center of the pendant has a smooth, recessed circular design.
  • May include: A brown circular Roman Arch Medallion ornament featuring a central arch design and a beaded border. The text Roman Arch Medallion is displayed at the top. Dimensions are 80.0 x 4.0 x 88.0 mm as indicated by the technical diagram.
  • May include: A digital download file listing titled WHAT'S IN THE FILE, featuring 1 STL file, Bambu Studio 3MF projects, and a PDF print guide. A beige circular pendant with a central arch design and a 4.2 mm hanging loop is displayed.
  • May include: A round, tan, 3D-printed medallion featuring a central archway icon and a beaded border, accompanied by a technical list of print settings including a 0.4 mm nozzle, 0.20 mm layer height, 15% infill, and 14.1 g of PLA matte filament.
  • May include: A circular tan pendant featuring a raised archway icon in the center and a beaded border. The text below reads: COMMERCIAL PRINT LICENSING AVAILABLE. Wholesale & Custom Orders welcome. Message us on Etsy.
  • May include: A dark gray graphic featuring a white line-art horse head icon with a small triangle on the forehead. Text reads: ENTROPY RANCH, NOT A PRINT FARM. A PRINT RANCH., and Made to order, from one unit to full production runs.
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Roman Arch Medallion Ornament STL, Modern Christmas Tree Ornament, Support Free 3D Print, Bambu 3MF, Holiday Gift

EntropyRanchMfg  
5 out of 5 stars

Item highlights

  • Digital download
  • Digital file type(s): 1 ZIP

Seller's description

What it is
An 80 mm flat ornament with a raised arch, beaded rim and fine inner ring, like a coin from a colony on Mars. Part of the Entropy Ranch Vesta collection: one fluted, soft-edged design language across ornaments, vases, planters, lamps and jewelry storage.

What to expect
Instant digital download. No physical item ships. Images are Blender studio renders of the model.
Finished size: ornament-roman-arch-medallion: 80.0 x 88.0 x 4.0 mm (3.1 x 3.5 x 0.2 in). Ornament Hanging loop 4.2 mm for ribbon or a standard hook. Prints in about an hour.

Files included
- 1 STL file:
- ornament-roman-arch-medallion.stl
- Bambu Studio 3MF projects, pre-plated with system presets: A1, A1 mini, P1S, P2S, X1C, H2D (6 files)
- PDF print guide
- LICENSE.txt

Printer compatibility
Bambu Lab A1, A1 mini, P1S, P2S, X1C, H2D (3MF ready). Prusa MK4, Core One, Mini, Creality K1, Ender-3 V3, Elegoo and any FDM printer via STL. Minimum bed 84 x 92 mm, height 6 mm.

Recommended settings
Nozzle 0.4 mm. Layer height 0.20 mm. Walls 2 (3 for PETG). Infill 15%. No brim for PLA.

Filament
Silk gold, silk copper, matte ivory or Mars red PLA. Add a ribbon.

Supports
None. Every part prints support free in the supplied orientation.

Print time and grams
Measured on a Bambu P1S, 0.20mm, Bambu PLA Matte, one plate: 0h 21m, 14 g. Other printers are estimates and will vary.

Assembly
None. One piece.

Scale notes
Safe range 60% to 150%.

Troubleshooting FAQ
- First layer will not stick: Clean the plate with warm water and dish soap.

License
Personal use license. You may print this model for yourself and gift prints. You may not sell, share, re-upload, or redistribute the files or prints made from them. A commercial print license will be offered as a separate add-on. Copyright Entropy Ranch.


Commercial print licensing available on request. Wholesale & Custom Orders welcome. Message us on Etsy.

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Shop review

Why this review appears

All reviews are from verified buyers. This review is shown automatically based on factors like recency, whether it includes comments, your chosen language, and whether the rating reflects the typical experience with the shop.

“Contacted seller prior to ordering to confirm color availability, they responded promptly. This is my second order and will continue to use them. Excellent quality and color. I ordered 3ml caps in the Lonestar 4 color a few months ago and loved it so much had to get a box in this color. Had my order within a week ago of ordering.”

Valerie

Sep 17, 2026

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Price:$4.50

You can only make an offer when buying a single item

Delivery

Instant download

Your files will be available to download once payment is confirmed. Here's how.

Instant download items don't accept returns, exchanges or cancellations. Please contact the seller about any problems with your order.

Seller's description

Specifications

May include: A circular tan pendant featuring a raised archway symbol in the center and a decorative beaded border along the outer edge. The pendant includes a small loop at the top for attachment, presented in a solid, monochromatic tan color.

What it is
An 80 mm flat ornament with a raised arch, beaded rim and fine inner ring, like a coin from a colony on Mars. Part of the Entropy Ranch Vesta collection: one fluted, soft-edged design language across ornaments, vases, planters, lamps and jewelry storage.

What to expect
Instant digital download. No physical item ships. Images are Blender studio renders of the model.
Finished size: ornament-roman-arch-medallion: 80.0 x 88.0 x 4.0 mm (3.1 x 3.5 x 0.2 in). Ornament Hanging loop 4.2 mm for ribbon or a standard hook. Prints in about an hour.

Files included
- 1 STL file:
- ornament-roman-arch-medallion.stl
- Bambu Studio 3MF projects, pre-plated with system presets: A1, A1 mini, P1S, P2S, X1C, H2D (6 files)
- PDF print guide
- LICENSE.txt

Printer compatibility
Bambu Lab A1, A1 mini, P1S, P2S, X1C, H2D (3MF ready). Prusa MK4, Core One, Mini, Creality K1, Ender-3 V3, Elegoo and any FDM printer via STL. Minimum bed 84 x 92 mm, height 6 mm.

Recommended settings
Nozzle 0.4 mm. Layer height 0.20 mm. Walls 2 (3 for PETG). Infill 15%. No brim for PLA.

Filament
Silk gold, silk copper, matte ivory or Mars red PLA. Add a ribbon.

Supports
None. Every part prints support free in the supplied orientation.

Print time and grams
Measured on a Bambu P1S, 0.20mm, Bambu PLA Matte, one plate: 0h 21m, 14 g. Other printers are estimates and will vary.

Assembly
None. One piece.

Scale notes
Safe range 60% to 150%.

Troubleshooting FAQ
- First layer will not stick: Clean the plate with warm water and dish soap.

License
Personal use license. You may print this model for yourself and gift prints. You may not sell, share, re-upload, or redistribute the files or prints made from them. A commercial print license will be offered as a separate add-on. Copyright Entropy Ranch.


Commercial print licensing available on request. Wholesale & Custom Orders welcome. Message us on Etsy.

  • Made by
    EntropyRanchMfg
  • Use
    Supplies for making crafts
  • Item type
    Digital download
  • Digital file type(s)
    1 ZIP
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Meet your seller

EntropyRanchMfg
Entropy Ranch
EntropyRanchMfg ·

Texas, United States

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 5.0
·
2.2k sales
·
2 years on Etsy
Entropy Ranch
1 shop member

Usually responds in a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Oct 16, 2026
Homepage Craft Supplies & Tools