Quarter Turn
Machining
Chicago · Illinois

CNC machining.
Dialed in.

Precision milling, production 3D printing, and micro injection molding under one roof. Optic cuts and slide milling, billet components, and prototype-to-production runs — quoted fast, held to ±.0005 in.

N 41°50′ · W 87°39′ Tol ±.0005 in Chicago proper same-day 6061 · 7075 · Steel · Ti 90.000° ± 0.001° index Proto → Production
QTM-P01 · Packout Insert Designer

Build your own
tool insert.

Pick your Milwaukee Packout case, drag your tools onto the foam, set clearance and pocket depth, then download an STL and print it. Runs in your browser — nothing gets uploaded.

Open Packit Launch the designer →
QTM-P02 · Fidget Zynner

Can holder.
Fidget spinner.

A 3D-printed case that carries a full puck and spins on a bearing while it does it. Printed in-house on the Bambu cell — same machines that run production parts, pointed at something a lot dumber.

Fidget Zynner Shop the store →

Services

01 / QTM-S00
QTM-S01

Optic Cuts &
Slide Milling

RMR, DPP, and footprint-specific optic pockets direct-milled into customer slides. Fixtured, probed, and cut to print — cerakote-ready surfaces, clean thread engagement, documented dimensions on every job. Same-day turnaround for Chicago-proper drop-offs.

QTM-S02

Billet
Components

Production parts from 6061-T6 and 7075 billet: mounts, adapters, clamps, and short-run product lines. Designed for manufacture, machined in-house, inspected against the drawing.

QTM-S03

Prototype →
Production

One shop for the whole curve: printed prototypes in days, machined aluminum bridge tooling, then molded or milled production parts. Same files, same vendor, no hand-offs.

Equipment

02 / The Floor

Instant Estimate

03 / Budgetary
QTM Estimator · Rev A
Drop STL / STEP — or click to browse
Analyzed in your browser — auto-fills stock size & complexity. Attach the file to the RFQ email.
Drop STL / STEP — or click to browse
Analyzed in your browser — auto-fills part weight from model volume. Attach the file to the RFQ email.
Drop STL / STEP — or click to browse
Analyzed in your browser — auto-fills shot weight & checks 2.0 oz capacity. Attach the file to the RFQ email.
Budgetary estimate
$—
Budgetary only, ±25%. Firm quotes issued after print / model review. Estimates exclude shipping, finishing, and expedite.
RFQ summary Send as RFQ
04 · Start a Job

Send the print.

STEP files, PDFs, or a dimensioned sketch — we'll quote it straight. Include material, quantity, and the tolerances that actually matter.