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Semi-Passive Income Calculator

3D Printing Profit Calculator

Calculate your true cost per print and profit margins for your Etsy, eBay, or direct-sales 3D printing business. Because “passive” income still starts with building something.

Printer Setup

Select your printer or enter custom specs

$
$
Depreciation: $5.25/mo across 1 printer

Filament

Material costs

$

Cost per gram: $0.0200

Electricity

Power costs

$
Cost per print hour: $0.032

Selling Platforms

Set a default — then override per product if you sell on multiple platforms

Etsy: $0.20 listing + 6.5% transaction + 3% + $0.25 payment processing

Tip: You can set a different platform for each product below to calculate multi-platform selling.

Your Products

Add each item you sell

Product 1

$
$

Monthly Summary

Revenue$0.00
Product costs$0.00
Printer depreciation$5.25
Maintenance$10.00
Total Costs$15.25
Net Profit
-$15.25

0 units/mo

Key Metrics

Break-Even
Not profitable
Annual ROI
-96.8%
Annual Net Profit
-$183.00
Printer Investment
$189.00

Save / Load Configurations

Save your printer and product setup for later

Building a 3D Printing Side Hustle

3D printing is one of the most accessible “semi-passive” income streams you can build. The upfront work is real — you need to source or design models, dial in print settings, set up shop listings, and handle initial marketing. But once your workflow is established, each order is mostly hands-off: load filament, start the print, package, and ship.

Understanding Your True Costs

Most new sellers underestimate costs. Filament is obvious, but don’t forget electricity (a 6-hour print at 300W costs $0.20-0.30), printer depreciation (a $300 printer over 3 years is ~$8.33/month), maintenance (nozzles, belts, bed surfaces), packaging materials, platform fees (Etsy takes ~10% all-in), and shipping supplies.

Maximizing Profit Margins

  • Buy filament in bulk — 5-10 spool orders from direct manufacturers cut costs 20-40%
  • Optimize print settings — lower infill (10-15% for decorative items), faster speeds, and larger layer heights reduce print time and filament use
  • Charge for shipping — free shipping eats your margins. Price it in or charge separately
  • Focus on unique designs — custom and niche items command higher prices than commodity prints
  • Run multiple printers — scale production without scaling your time investment proportionally

The “Passive” Reality

Let’s be honest — no income is truly passive from day one. 3D printing requires building listings, running ads, monitoring prints, handling customer service, and shipping orders. But compared to a traditional job, the time-to-income ratio improves dramatically once you’re established. Many sellers report 2-4 hours of active work per day generating $2,000-5,000/month in revenue.

Frequently Asked Questions

Is 3D printing a good passive income source?

3D printing can generate semi-passive income once you have designs, listings, and a workflow established. Profit margins of 50-80% are common on well-optimized prints. The setup requires real effort, but ongoing work is mostly loading filament and shipping orders.

How much does it cost to 3D print something?

A typical small print costs $1-3 in materials and energy. Add shipping ($4-8 USPS), packaging ($0.50-1.50), and platform fees (6-15%), and your total cost per unit is usually $6-15 for small to medium items.

What sells best with 3D printing?

Top sellers include custom organizers, planters, phone stands, cookie cutters, miniatures, lithophanes, holiday decorations, and replacement parts. Items that solve a specific problem or offer customization tend to sell best.

Etsy vs eBay for 3D printed items?

Etsy is generally better for handmade and custom 3D prints due to its craft-focused audience. eBay works well for functional parts, replacement pieces, and bulk items. Many sellers list on both platforms to maximize reach.

Start Printing Profit

The printer is just a tool. The real asset is the system you build around it — designs, listings, workflow, and customers.We’ll show you how to build that system.

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