Image | Item No. | Description |
| Mx1592 | Modulex, Window Frame Section, Bottom 1 x 12 Catalog: Parts: Modulex, Window |
| Mx1590B | Modulex, Window Frame Section, Double partition (1 x 2mm cross section) Catalog: Parts: Modulex, Window |
| Mx1593B | Modulex, Window Frame Section, Double Upright (9 stud length) Catalog: Parts: Modulex, Window |
| Mx1590A | Modulex, Window Frame Section, Single partition (1 x 1mm cross section) Catalog: Parts: Modulex, Window |
| Mx1593A | Modulex, Window Frame Section, Single Upright (9 stud length) Catalog: Parts: Modulex, Window |
| Mx1591L | Modulex, Window Frame Section, Top 1 x 12 (LEGO on Studs) Catalog: Parts: Modulex, Window |
| Mx1591M | Modulex, Window Frame Section, Top 1 x 12 (M on Studs) Catalog: Parts: Modulex, Window |