3D printing cost: what drives the price and how to pay less
By the 3D Printer on Demand team · Updated July 2026
3D printing cost is the price to make your part. It comes from a few things. How much plastic the part uses. How long it takes to print. The clean-up work after the print. The material you pick. And how many parts you order. The good news is you control most of these. A smaller, well-shaped part in the right plastic costs less to make. You do not need to do any math. You upload your file and see one flat price per part. This guide shows what moves that price up or down.
What drives the price of a 3D printed part?
Five things set the price. Change any one of them and the price moves. The table lists each one and the easy way to lower it.
The biggest driver is how much plastic the part uses. A bigger, more solid part uses more plastic and takes longer to print. So size and fullness are where most of your savings live.
| Cost driver | What it means | How to lower it |
|---|---|---|
| Part size | Bigger parts use more plastic and more print time | Shrink the part or split it into smaller pieces |
| How full it is | More infill and thicker walls mean more plastic | Use light infill where the part does not carry load |
| Print time | A finer layer height prints much slower | Order a normal 0.20 mm layer unless you need a fine finish |
| Supports | Support scaffold adds plastic, time, and clean-up | Design overhangs so the part holds itself up |
| Material | Some plastics cost more and print slower | Use PLA or PETG unless the job needs a stronger one |
How do you lower your 3D printing cost?
You lower the price by using less plastic and less print time. That is the whole game. None of these moves make the part worse.
Start with the design. A part shaped for printing is cheaper and stronger at the same time.
- Use less plastic. Thin the walls to what the job needs and drop the infill where the part does not carry load. See our 3D printing infill guide.
- Cut supports by design. A slope or a chamfer lets an overhang hold itself. That removes the scaffold, the print time, and the scar. Our supports guide shows how.
- Pick a normal layer height. A 0.20 mm layer is fast and clean. A finer layer takes about twice as long for a small gain in smoothness.
- Match the material to the job. PLA and PETG are the value picks. Save the stronger plastics for parts that need them.
- Split big parts. Two pieces that bolt or glue together often print cheaper than one tall part, and they can be stronger.
- Order in batches. One flat price per part drops as the count goes up. More on that below.
How much infill do you really need?
Less than you think. Infill is the lattice inside the part. A part is rarely solid. It has walls on the outside and a light grid inside.
More infill adds plastic, weight, print time, and price. And the gain slows down fast. Going from light to medium infill adds real strength. Going from medium to solid adds little strength for a lot more plastic.
Match the infill to the job. Use light infill for display parts, covers, and organizers. Use more only for parts that carry load or take a hit. Our design for 3D printing guide shows how ribs add strength for even less plastic than infill.
Does the material change the price?
Yes. Some plastics cost more to buy and print slower. That shows up in the price. The table sorts our five materials from the value picks to the premium ones.
Strength is how hard you can pull on the part. Heat is where it starts to soften. Pick the cheapest plastic that still does the job.
| Material | Strength | Softens at | Price level |
|---|---|---|---|
| PLA | 50 MPa | 57 C | Lowest, best for visual and indoor parts |
| PETG | 50 MPa | 73 C | Low, our default for working parts |
| ABS | 40 MPa | 98 C | Higher, quoted by a person |
| TPU | 35 MPa | 80 C | Higher, flexible parts, quoted by a person |
| PA-CF | 80 MPa | 140 C | Highest, the strong one, quoted by a person |
- PLA and PETG get an instant price. Upload and see it in seconds.
- ABS, TPU, and PA-CF get a fast human quote, because they need a quick check first.
- New to the plastics? Read PLA vs PETG vs ABS or see all five on our materials page.
How does our pricing work?
You pay one flat price per part. No hidden math, no per-hour surprise. You upload your file and see the price.
That price drops as you order more. There are steps at 10, 50, 250, and 1,000 parts. So the more you order, the less each one costs. We hold your price for 30 days, so you can test a part now and order the run later. See the steps on our pricing page.
PLA and PETG price the moment you upload to our instant quote. The stronger plastics get a fast human quote. Either way, our team reviews flagged files within four business hours. Parts ship in 2 to 5 days, made in the USA.
Should you buy a printer or use a service?
Buy a printer when you print the same parts in high volume, week after week, and you have someone to run it. Owning a machine means owning the tuning, the upkeep, and the failed prints too.
Use a service when you need parts on demand, when your needs come and go, or when you do not want to own machines. A service skips the printer, the learning curve, and the wasted spools. You send a file and get a finished part.
For most B2B buyers who need functional parts on demand, a service wins on time and focus. You keep your team on your product, not on printer maintenance.
Quick takeaways
- 3D printing cost comes from part size, how full the part is, print time, supports, material, and quantity.
- The biggest lever you control is how much plastic the part uses. Thin walls and light infill cut most of it.
- A 0.20 mm layer height is the right default. Finer layers take about twice as long for a small gain.
- PLA and PETG are the value picks and get an instant price. ABS, TPU, and PA-CF cost more and get a fast human quote.
- You pay one flat price per part, and it drops at 10, 50, 250, and 1,000. We hold your price for 30 days.
Have a part to print? Get an instant price.
Instant QuoteCommon questions
- What drives the cost of a 3D printed part?
- The price comes from how much plastic the part uses, how long it takes to print, how much clean-up it needs, the material you pick, and how many you order. Size and fullness matter most, since a bigger, more solid part uses more plastic and more print time. You control most of these with good design.
- How can I lower my 3D printing cost?
- Use less plastic and less print time. Thin the walls to what the job needs and drop the infill where the part does not carry load. Design overhangs so the part needs no supports. Order a normal 0.20 mm layer height instead of a fine one. Pick PLA or PETG unless the job needs a stronger plastic. And order in batches, since the per-part price drops as the count goes up.
- Does a bigger 3D printed part cost more?
- Yes. A bigger part uses more plastic and takes longer to print, and both raise the price. If a part is large, you can often shrink it, hollow it out with lighter infill, or split it into smaller pieces that bolt or glue together. Splitting a tall part can print cheaper and end up stronger.
- Does infill affect the price?
- Yes. Infill is the lattice inside the part, and more of it means more plastic and more print time. The strength gain slows down fast, so a solid part costs a lot more for little extra strength. Use light infill for display parts and covers. Save higher infill for parts that carry load or take a hit.
- Which 3D printing material is cheapest?
- PLA is the lowest-cost plastic we print, and it is great for visual and indoor parts. PETG costs a little more and is our default for working parts, since it takes heat to about 73 C. ABS, TPU, and PA-CF cost more and get a fast human quote. Pick the cheapest plastic that still does the job.
- Do I pay less if I order more parts?
- Yes. You pay one flat price per part, and that price steps down as you order more, with steps at 10, 50, 250, and 1,000 parts. We hold your price for 30 days, so you can test one part now and order the full run later at the lower per-part price.
- Is it cheaper to buy a 3D printer or use a printing service?
- Buy a printer only if you plan to print the same parts in high volume every week and have someone to run and maintain it. Owning the machine also means owning the tuning and the failed prints. If you need parts on demand or your needs come and go, a service costs you less time and lets your team stay on your product.