# 10 Useful 3D Prints: Things to Print That Save Money

> Ten useful 3D prints for home that beat store prices: knobs, organizers, adapters and clips, with real weights and what each costs at $0.12 per gram of PLA.

Source: https://x3dstudios.com/blog/things-to-3d-print-that-save-money  ·  2026-07-14  ·  Updated: 2026-10-23  ·  X3D Studios  ·  5 min read

The useful 3D prints that actually save money are not the impressive ones. They are the small plastic parts stores mark up hardest: a replacement knob, a bracket for a discontinued blind, dividers cut to your drawer. At $0.12 per gram all-in for PLA, a 12-gram knob costs $1.44 and a 95-gram divider set costs $11.40. Here are ten of them, with real printed weights and the retail prices they replace.

## How the savings math works for useful 3D prints

Our pricing is weight-based and all-in: filament and normal machine time in one number, $0.12 per gram for PLA. Billable weight rounds up to the whole gram, every part carries a $1.00 minimum, and US shipping is $7 flat, free over $49.50. There is no tooling charge and no minimum order, so a single $1.44 part is a real order. Rates live on /pricing, and since you pay by weight rather than size, infill is the biggest lever on the total — see /blog/3d-printing-infill-explained. /docs/pricing breaks down every line of a quote.

## 10 things to 3D print that save money

| Item | Printed weight | Your price | Typical store price |
| --- | --- | --- | --- |
| Appliance or dresser knob | 12 g PLA | $1.44 | $18–$35 |
| Cable clip strip (6 clips) | 26 g PLA | $3.12 | $10–$14 |
| Drawer divider set | 95 g PLA | $11.40 | $20–$30 |
| Shop-vac hose adapter | 22 g PETG | $2.64 | $15–$25 |
| Wall hook / headphone hanger | 18 g PLA | $2.16 | $12–$18 |
| Phone or tablet stand | 45 g PLA | $5.40 | $15–$25 |
| Battery or tool-bit tray | 60 g PLA | $7.20 | $14–$20 |
| Blind wand or curtain bracket | 9 g PLA | $1.08 | $8–$15 |
| Outdoor hose bracket | 30 g PETG | $3.60 | $10–$20 |
| Custom jig, shim or spacer | 15 g PLA | $1.80 | Not sold at all |

![Paired bars comparing printed price with typical store price for six household parts: a knob at $1.44 against $18–$35, a blind bracket at $1.08 against $8–$15, a six-clip cable strip at $3.12 against $10–$14, a phone stand at $5.40 against $15–$25, a battery tray at $7.20 against $14–$20, and a drawer divider set at $11.40 against $20–$30](https://x3dstudios.com/blog-images/things-to-3d-print-that-save-money/print-vs-store-cost.svg)

*The harder a small plastic part is marked up, the better printing looks.*

### 1. Replacement knobs and handles

A washer, dryer or dresser knob is $18 to $35 as a branded replacement, more once the model is discontinued. It weighs twelve grams. Measure the D-shaft with calipers, print one for $1.44, check the fit, then print the rest.

### 2. Cable clips and cord keepers

A six-clip adhesive pack runs $10 to $14. Modelled as one connected strip it is 26 grams and $3.12, with channels sized to your actual cables instead of the three widths the pack happens to include.

### 3. Drawer dividers and cabinet organizers

Store dividers come in fixed lengths that never match a real drawer. A set measured to yours is about 95 grams, $11.40, against $20 to $30 for a kit that fits approximately.

### 4. Vacuum and shop-vac hose adapters

The adapter between a vacuum hose and a power tool port is a $15 to $25 part that is mostly air. In PETG at $0.12 per gram it is 22 grams, $2.64, and PETG takes the friction better than PLA — see /blog/pla-vs-petg-vs-abs-vs-asa-vs-tpu.

### 5. Wall hooks and headphone hangers

Eighteen grams, $2.16, against $12 to $18 for a two-pack designed for someone else's shelf. A printed hook is sized to the exact thickness of your desk edge, which is the difference between gripping and sliding off.

### 6. Phone, tablet and laptop stands

A 45-gram stand costs $5.40 against $15 to $25 in a store. Set the angle to your own desk height and put the cable pass-through where your charger actually sits.

### 7. Battery and tool-bit trays

Loose cells and bits rolling around a drawer are a small daily tax. A tray with labelled slots is roughly 60 grams, $7.20, against $14 to $20 for a generic organizer sized for someone else's bit set.

### 8. Parts for things nobody makes parts for

Blind wands, curtain-rod end brackets, dishwasher rack clips, a snapped hinge on a cabinet door. These are nine-gram parts that cost barely more than our $1.00 per-part minimum, and the alternative is usually replacing the whole fixture.

### 9. Outdoor fittings

Hose brackets, sprinkler stakes and planter feet: 30 grams of PETG is $3.60. Do not use PLA outdoors in a Texas summer — it softens near 50°C, and a sunny fence line gets there. PETG or ASA instead.

### 10. Jigs, shims and spacers

The highest-value category has no retail price at all: a drilling jig for a repeated hole pattern, a spacer that makes two mismatched parts line up. Fifteen grams, $1.80, and it exists in days instead of never.

## Batch your parts, or the minimums eat the savings

Two rules shape a cheap order. The $1.00 minimum is per part: eight separate four-gram clips are eight dollar parts, while the same clips modelled as one connected strip are 32 grams and $3.84. And shipping is $7 flat, free over $49.50, so one order carrying the knob, the hooks and the jig beats three orders a month apart.

![Two panels comparing eight four-gram cable clips ordered as eight separate parts at the $1.00 per-part minimum for $8.00 against the same eight clips modelled as one 32-gram strip costing $3.84](https://x3dstudios.com/blog-images/things-to-3d-print-that-save-money/minimum-charge-math.svg)

*Same plastic, same clips. The per-part minimum is the entire difference.*

> **WARNING** — PLA softens near 50°C. Anything that lives in a parked car, on a summer windowsill, near a stove burner or in a dishwasher should be PETG at $0.12/g or ASA at $0.14/g instead.

None of this needs a printer of your own. Upload an STL, GLB or 3MF file at /print and the quote comes from a real OrcaSlicer slice, so the weight you pay for is the weight that prints. OBJ is not accepted. /blog/how-to-3d-print-without-owning-a-printer walks through the process, and /blog/how-much-does-custom-3d-printing-cost breaks down the per-gram rate.

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## FAQ

### Is 3D printing cheaper than buying?

For small, specific, hard-to-find plastic parts, consistently. For commodity goods made by the million — zip ties, plain storage bins — no. If a part is light, particular to your situation, or sold as a branded replacement, printing wins. If it is heavy, generic and stocked everywhere, buy it.

### What is the cheapest thing to 3D print?

Anything under about eight grams, because it lands on the $1.00 per-part minimum: a cable clip, a shim, a small bracket. Since that minimum is charged per part, the cheapest orders combine several small pieces into one model, or at least into one order.

### Do I need my own printer to save money this way?

No. Upload the file, we slice it for the true weight, and it prints on our farm in Austin: normal print ships in 4–5 business days, or 1–2 with Priority print ($5 at checkout). Accepted formats are STL, GLB, 3MF and sliced .gcode.3mf. Shipping is $7 standard in the US, free over $49.50, or $15 express.

[Price a part by its real weight](https://x3dstudios.com/print)