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Industry Insights & Expert Guides

3DPTEK Blog β€” Industrial 3D Printing & Casting Insights

Practical, engineer-written content to help foundries and manufacturers navigate industrial additive manufacturing, from technology selection to production optimization.

What You'll Find on This Blog

Our blog covers the full spectrum of industrial additive manufacturing and casting β€” from deep technical dives to practical procurement guides. Every article is written to help engineers, foundry managers, and purchasing decision-makers make informed choices.

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Technology Explained

Binder Jetting, SLS, SLM β€” how each technology works, when to use it, and what to expect.

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Cost & ROI Analysis

Real pricing data, total cost of ownership models, and patternless vs. traditional casting comparisons.

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Practical How-To Guides

Step-by-step guides for selecting equipment, choosing service providers, and optimizing processes.

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Industry Applications

How automotive, marine, aerospace, and energy sectors use 3D printed casting today.

Latest Articles

Stay current with our newest content. Articles covering technology updates, application breakthroughs, and practical advice β€” published regularly.

3D Sand Printing Cost in 2026: What Foundries Actually Pay

3D sand printing cost in 2026, broken down: machine price, sand and binder, labor, and per-part math β€” with real numbers versus traditional pattern tooling.

Patternless Sand Casting: Process, Cost & Lead Time Without Tooling

How patternless sand casting works in 2026: 3D printed sand molds from CAD, no tooling, 15-45 day lead times, and Β±0.3 mm accuracy β€” with real production cost data.

How to Make a Casting Mold for Metal: Step-by-Step Foundry Guide

The mold-making operation itself: pattern allowances by alloy, sand and binder targets, ramming and mold hardness, gating and riser design, vents, closing, pouring temperatures and shakeout – plus when a printed sand mold removes the pattern entirely.

Lost Wax Casting Process: Steps, Materials and Tolerances

How lost wax casting works, step by step: pattern waxes, ceramic shells, dewaxing, burnout, pouring, tolerances and the defects to watch for.

SLS 3D Printer Cost in 2026: What Foundries Actually Pay

Industrial SLS pricing bands, coated sand and PSB wax consumables, laser time and a per-part worked example, with a worksheet for filling in your own local costs.

Casting Defects: Porosity, Shrinkage and Gas Defects in Aluminum and Iron Castings

Casting defects diagnosed by location rather than guesswork: gas vs shrinkage porosity, blowholes, hot tears and sand defects, with causes, fixes and a 22-row reference table.

Sand Casting Process Guide: Green Sand Molding, Gating Systems and Patterns

The sand casting process from pattern to finished part: six steps, five molding methods compared, sand and binder selection, gating and riser design, and pattern options.

Small Batch Casting Procurement: How to Buy 5 to 500 Cast Parts

A buyer’s guide to the small batch casting process: when tooling pays off, how to write an RFQ suppliers can actually answer, what drives per-part cost, and how to run a pilot order.

How to Audit a Foundry Supplier: A 25-Point Checklist for On-Site Verification

A foundry audit that fits in one visit: the documents to request, what to watch on the floor, a 25-point scorecard, and the findings that should end the visit.

Investment Casting vs Sand Casting vs Die Casting: How to Choose by Volume

Alloy, size and tolerance set your shortlist. Annual volume picks the winner. A three-way comparison of sand, investment and die casting, with the crossover points that decide it.

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Find articles organized by topic. Each category contains focused content for your specific area of interest.

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