---
title: "Accurate Split-Flap Display Can Be 3D Printed"
url: https://daily.dev/posts/accurate-split-flap-display-can-be-3d-printed-2knj5uc7f
source_url: https://hackaday.com/2026/06/28/accurate-split-flap-display-can-be-3d-printed
type: article
source: "Hackaday"
published: 2026-06-28T14:18:02.864Z
updated: 2026-06-28T14:18:19.350Z
reading_time: 2
upvotes: 0
comments: 0
language: en
---

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# Accurate Split-Flap Display Can Be 3D Printed

**[Hackaday](https://daily.dev/sources/hackaday)** · 2 min read · 0 upvotes · 0 comments

## Summary

A maker named Jason has built a 3D-printable split-flap display with high positional accuracy. The design uses a 28BYJ stepper motor paired with a magnetic encoder to precisely stop at each character position. Flaps are fully 3D printed using a technique that enables two-color output even on single-color printers, and are mounted on a planetary gear set. A five-character version is controlled by a Raspberry Pi Pico, with multiplexer expansion suggested for larger displays.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://hackaday.com/2026/06/28/accurate-split-flap-display-can-be-3d-printed>

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