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r/Metalfoundry↗

Metalcasting Foundry

A place for the discussion of all manner of metal casting and foundry work, whether in the backyard or on a commercial scale.

39k subscribers52 posts / mo in Sep 202644 authors / mosince 2013

r/Metalfoundry has 39k members (+46% over the last 12 months). It gets about 52 posts a month from 44 people. Top topics: Metal Casting, Propane Forge and Mold Making & Casting.

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Size and growth

How r/Metalfoundry has grown

r/Metalfoundry

Subscriber growth

Subscribers over time

+46%in 12 months · +5.4% in 3 months · +1.0% in 1 month
Oct 202638k
Growing38k subscribers
Data since Mar 2018Live · through Oct 2026
r/Metalfoundry

Monthly activity

Posts, comments and authors per month

−16%vs Sep 2025 · −26% last 3 months vs the 3 before
Sep 202652
QuieterPeaked at 103 in Oct 2021
Data through Sep 2026 · October usually lands mid-November

What people talk about

Topics and brands on r/Metalfoundry

Top topics

Share of the subreddit's posts

  1. Metal Casting20%
  2. Propane Forge2.4%
  3. Mold Making & Casting1.5%
  4. Forge Building & Projects0.7%
  5. Forge & Blacksmithing0.7%

Brands people mention

Most-mentioned brands and sites, last 12 months

  1. vevor.com

The full report

Everything else about r/Metalfoundry

Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.

Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research