Spline Arc LLC | SAM.gov Registered

Government & Federal Prototyping Services

Rapid prototyping and small-batch manufacturing for government and defense contractors.

Serving Houston Oil & Gas, Medical Device, and Product Teams | 7-Day Turnaround | Fixed Pricing | Free Manufacturability Review

3D printing services Houston Texas Spline Arc
Trusted by Many
Why Us?

Federal Registration

  • CAGE Code: 20U91
  • Unique Entity Identifier: DZ6KN7BYK4X6
  • Business Type: Woman-Owned Small Business
  • Status: Active in SAM.gov
Why Us?

Core Capabilities

  • Rapid Prototyping: Functional parts in 24–72 hours from CAD to physical component
  • Small-Batch Production: 10 to 500 units for jigs, fixtures, enclosures, and tooling
  • Reverse Engineering: Dimensional replication of legacy parts for sustainment
  • Engineering Support: Design-for-manufacturing review and tolerancing guidance
Our Process

Get Your Parts in 3 Steps

Our streamlined industrial process is engineered for speed and precision. We eliminate the friction between design and physical part, delivering high-performance components in record time.

3D printing project example

Step 1:

Upload Your File or Sketch

Send your CAD file, hand sketch, or rough idea. STL, STEP, or even a photo of a napkin drawing. We handle the rest.

Step 2:

Receive Your Fixed-Price Quote in 24 Hours

No hourly rates. No hidden fees. One price for your part, delivered.

Step 3:

Parts in Your Hands in 7 Business Days

Engineering-grade FDM printing, post-processed and ready for testing.

3D Printing Services Houston

Industries We Serve

Engineering-grade manufacturing for industrial and government sectors. 

3D Printing Services Houston

Aerospace

Flight-ready prototypes, ducting manifolds, and lightweight structural components. Tight tolerances and carbon fiber reinforced nylon for demanding applications.

 
3D printing services Houston Texas Spline Arc

Automotive

Custom jigs, assembly fixtures, end-of-arm tooling, and under-hood prototypes. Rapid iteration for EV and traditional powertrain development.

3D printing services Houston Texas Spline Arc

Industrial Automation

Robot end-of-arm tooling, sensor housings, and production line fixtures. FDM and metal hybrid solutions through our partner network.

3D printing project example

Oil & Gas

Replacement tooling, wear-component prototypes, and field-ready brackets. Houston-based production for energy sector turnaround timelines.

3D printing project example

Defense

Rapid prototyping for tactical equipment, drone components, and mission-ready brackets. ITAR-aware workflows and domestic manufacturing partners.

 
3D printing project example

Hardware & Technology

Enclosures, mounting systems, and fit-validation prototypes for hardware startups. From first article to short-run production.

3D printing project example

US Government

Federal and municipal prototyping, replacement parts, and tooling for government facilities. Domestic supply chain with consolidated billing.

3D printing project example

3D Printing Services Houston

Materials & Capabilities

PLA ABS PETG TPU Nylon ASA
Max Build Volume
1000mm
Layer Heights
0.1 / 0.2 / 0.3mm
Tolerance
±0.2mm
Why Us?

Why Teams Work With Us

Fast quotes. Local production. Clear pricing. Real engineering support.

3D Printing Services Houston

Fixed Pricing Upfront

Know the cost before production begins. We provide clear, fixed pricing with no surprise invoices, hidden setup fees, or vague hourly billing.

24-Hour Quote Turnaround

Send your STL, STEP, IGES, sketch, or photo and get a technical quote fast — including material recommendations and realistic lead times.

Prototype to Production Support

From first concept to functional prototype to short-run production, we help you understand what works, what needs revision, and what it takes to scale.

Dedicated Project Contact

Business and manufacturing projects get a direct point of contact, so communication stays clear from file review to final delivery.

Local Houston Manufacturing

FDM printing is handled locally in Houston, helping Texas teams avoid overseas delays, long shipping windows, and unclear production timelines.

Business-Ready Workflows

NDA available on request, Net 30 terms for qualified businesses, consolidated billing, and partner access to CNC, sheet metal, and other processes.

3D Printing Services Houston

Frequently Asked Questions.

Q: What file formats do you accept?

STL, STEP, IGES, OBJ, 3MF, or even a photo/sketch if you don’t have CAD yet.
3D Printing Services Houston

Get Your Free Quote in 24 Hours

Fast response. 24Hr Quote Turnaroud

Upload your file or describe your project. No commitment required.