---
title: "RDS (Random Dot Stereograms)"
type: "article"
slug: "rds-random-dot-stereograms"
url: "http://localhost/article/rds-random-dot-stereograms/"
markdown_url: "http://localhost/article/rds-random-dot-stereograms.md"
published_at: "2026-02-08T14:07:32+00:00"
modified_at: "2026-02-08T14:07:33+00:00"
featured_image:
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excerpt: "Somewhere in this issue of IQLR there should be a page with lots of dots on it; dots that seem to be a random pattern, with a pair of small hollow boxes along one edge. If you change your focus while looking at a RDS and allow the image processing computer in your brain to…"
category:
  - name: "International QL Report"
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model:
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    url: "http://localhost/model/sinclair-ql/"
indiv:
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publication_r:
  id: 33740
  title: "International QL Report"
  type: "periodical"
  url: "http://localhost/periodical/international-ql-report/"
authors_r:
  - name: "Herb Schaaf"
    slug: "herb-schaaf"
    taxonomy: "indiv"
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volume: "3"
issue: "2"
issues_articles:
  - id: 37198
    title: "International QL Report V3 I2"
    type: "issue"
    url: "http://localhost/issue/international-ql-report-v3-i2/"
pages: "27-32"
pubdate: "July/August 1993"
archive_link: false
---

# RDS (Random Dot Stereograms)

Somewhere in this issue of IQLR there should be a page with lots of dots on it; dots that seem to be a random pattern, with a pair of small hollow boxes along one edge.

If you change your focus while looking at a RDS and allow the image processing computer in your brain to take over, a three-dimensional effect will be seen.