What types of products do you offer?

We offer a wide range of custom 3D-printed accessories, including unique home decor, medical accessories, personalized gifts, bespoke jewelry, innovative gadgets, intricate figurines, and tailored tools. If you have a specific idea in mind, we welcome custom orders!

How do I place a custom order?

To place a custom order, please send us a message through Etsy with details about your project. Include any reference images, dimensions, and specific requirements. We will work with you to create a design and provide a quote.

What materials do you use for your 3D prints?

We use high-quality, eco-friendly materials such as PLA (Polylactic Acid) for our 3D prints. PLA is a biodegradable plastic derived from renewable resources like corn starch and sugarcane, making it an environmentally friendly choice.

How long does it take to complete a custom order?

The time required to complete a custom order varies depending on the complexity of the design and our current workload. Typically, custom orders take between 1-2 weeks to complete. We will provide an estimated completion time when you place your order.

Do you offer international shipping?

Yes, we offer international shipping. Shipping costs and delivery times vary depending on the destination. Please note that international customers are responsible for any customs fees or import taxes.

Can I track my order?

Yes, all orders come with tracking information. Once your order has been shipped, you will receive a notification with your tracking number so you can monitor the progress of your delivery.

What is your return and refund policy?

We want you to be completely satisfied with your purchase. If you encounter any issues with your order, please contact us within 24 hours of receiving your item. We will work with you to resolve the issue. Please note that custom orders are non-refundable unless they arrive damaged or defective.

How do I care for my 3D-printed items?

To care for your 3D-printed items, avoid exposing them to extreme heat or direct sunlight for extended periods, as this can cause warping. Clean your items with a soft cloth and mild soap if necessary. Avoid using harsh chemicals or abrasive materials.

Can you print with other materials or colors?

Yes, we offer a variety of colors for our PLA prints. If you require a specific color or material for your project, please let us know, and we will do our best to accommodate your request.

Do you offer discounts for bulk orders?

Yes, we offer discounts for bulk orders. Please contact us with the details of your bulk order, and we will provide a custom quote with applicable discounts.

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3ml Cartridge Caps (Set of 10) | Reusable 3D Printed Peptide Pen Cartridge Covers | Injection Pen Cartridge Covers

Name: 3ml Cartridge Caps (Set of 10) | Reusable 3D Printed Peptide Pen Cartridge Covers | Injection Pen Cartridge Covers
Brand: EntropyRanchMfg
SKU: 4332452989
Price: 10.07 USD
Availability: InStock
Rating: 5.0 (4 reviews)

EntropyRanchMfg

Item highlights

Made to order

Item 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.

“I like to protect the permeable membrane after the factory seal comes off and I like to color code different peptides.”

Aaron

Feb 11, 2026

View all

Price:$10.07+

Save 25% when you spend $150+ at this shop.

Primary color

Please select a color

Quantity

You can only make an offer when buying a single item

Shipping & return policies

Get it by

Nov 2-9
Cost to ship

$5.99 to United States, 43215.

Reviews for this item

5.0

(4 reviews)

5.0 Item quality

5.0 Shipping

5.0 Customer service

100% Buyers recommend

5 This item

Aaron Feb 11, 2026

I like to protect the permeable membrane after the factory seal comes off and I like to color code different peptides.

Aaron Feb 11, 2026

Response from Entropy Ranch

😍😍😍

5 This item

Aaron Feb 11, 2026

I buy so much from Entropy Ranch. Caps are great!

Aaron Feb 11, 2026

Response from Entropy Ranch

❤️❤️❤️

5 This item

Jamie Nov 25, 2025

Always a pleasure doing business with AJ

Jamie Nov 25, 2025

Response from Entropy Ranch

💙💙💙

5 This item

Victor Jul 27, 2025

Absolutely amazing, with a great personal touch that makes you have faith in humanity again. 11/10

Victor Jul 27, 2025

Response from Entropy Ranch

💜💜💜

Photos from reviews

Seller's description

Specifications

May include: A pyramid arrangement of small, cylindrical containers. Each container features a black and red marbled lid with a textured, swirling pattern. The sides of the containers are solid black or red, showing a layered, ribbed construction.

Custom 3D-Printed Caps for 3ml Cartridges | Reusable, Durable, and Stylish!

Looking for the perfect way to secure your 3ml cartridges? Our custom 3D-printed cartridge caps are designed specifically for 3ml universal injector pen cartridges, offering a snug fit to keep your peps safe and protected. Whether you’re a healthcare professional, researcher, or someone who uses peptide injections, these reusable caps are a practical and stylish solution!

Key Features:

• Designed for 3ml Cartridges: Precision-made to fit your 3ml cartridges perfectly.
• Reusable: Built for multiple uses, making them eco-friendly and cost-effective.
• Custom 3D-Printed: Each cap is crafted with care, ensuring top-notch quality.
• Multiple Colors: Available in a variety of colors to suit your style or help you organize your vials.
• Durable: Made from high-quality plastic that’s tough and long-lasting.

Why Choose These Caps?

• Protection: Safeguard your cartridges from spills and contamination.
• Convenience: Color options make it easy to identify your cartridges at a glance.
• One-of-a-Kind: The 3D-printing process gives each cap slight, unique variations in color or texture.

Care Instructions:
Simply wash with mild soap and water. Avoid harsh chemicals or rough scrubbers to keep your caps in great shape.

Disclaimer:
Please note that imperfections such as minor surface variations or texture inconsistencies may occur due to the inherent nature of 3D printing technology. These do not affect the functionality or structural integrity of the product as a result we do not accept refund for such imperfections.

Color Options:
Available in any color of your choice!

Return Policy:
We do not allow immediate returns. However, if you do have any problems with our product please do not hesitate to contact us directly. We are always happy to help!

Fits 3ml injection pen cartridges, including those used with insulin and GLP-1 pens.

Made by

EntropyRanchMfg

Delivery details and policies

Get it by

Nov 2-9
Returns and exchanges

Not accepted
Ships from

Georgetown, TX
Cost to ship

$5.99 to United States, 43215
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