De fleste periodiske systemer er todimensionelle;<ref name=emsley/> der kendes dog tredimensionelle systemer helt tilbage til mindst 1862 (før Mendeleevs todimensionelle system fra 1869). Blandt nyere eksempler er Courtines' periodiske klassifikation (1925),<ref>{{cite web |url=http://www.meta-synthesis.com/webbook/35_pt/pt_database.php?PT_id=65 |title=1925 Courtines' Periodic Classification|author=Mark R. Leach |access-date=16. oktober 2012}}</ref> Wringley's Lamina-system (1949),<ref>{{cite web |url=http://www.meta-synthesis.com/webbook/35_pt/pt_database.php?PT_id=295 |title=1949 Wringley's Lamina System |author=Mark R. Leach |access-date=16. oktober 2012 |archive-date= 3. december 2011 |archive-url=https://web.archive.org/web/20111203150155/http://meta-synthesis.com/webbook/35_pt/pt_database.php?PT_id=295 |url-status=dead }}</ref>
[[Paul-Antoine Giguère|Giguère]]'s Periodiske helix (1965)<ref>{{cite book |title=Graphical Representations of the Periodic System During One Hundred Years |url=https://archive.org/details/graphicrepresent00unse |last=Mazurs |first= E.G. |year= 1974 |publisher=University of Alabama Press |location=Alabama |page=[https://archive.org/details/graphicrepresent00unse/page/111 111] |isbn=978-0-8173-3200-6}}</ref> og Dufours periodiske træ (1996).<ref>{{cite web |url=http://www.meta-synthesis.com/webbook/35_pt/pt_database.php?PT_id=39 |title=1996 Dufour's Periodic Tree|author=Mark R. Leach |access-date=16. oktober 2012}}</ref> Stowes "Fysikerens periodiske system" (1989) går et skridt videre,<ref>{{cite web |url=http://www.meta-synthesis.com/webbook/35_pt/pt_database.php?PT_id=38 |title=1989 Physicist's Periodic Table by Timothy Stowe|author=Mark R. Leach |access-date=16. oktober 2012}}</ref> og er blevet beskrevet som firedimensionelt (med tre spatielle dimensioner og en farvedimension).<ref>{{cite journal |last=Bradley |first=D.|title=At last, a definitive periodic table?|journal=ChemViews Magazine
|date=20. juli 2011|url=http://www.chemistryviews.org/details/ezine/1247399/At_Last_A_Definitive_Periodic_Table.html|doi=10.1002/chemv.201000107}}</ref>
Fysik Kemi