# Portrait locking support panel template & dieline > Portrait locking support panel dieline (DM-COLLAPSIBLE-SUPPORT-01). Set your size and fold it in 3D free; download PDF, SVG or DXF with Pro. Canonical: https://dielinemaker.com/dielines/collapsible-locking-support--collapsible-support-portrait Three broad panels roll around two narrow spacers to form a hollow support with an overlapping back. Top and bottom returns lock into struck tabs on the front; release the tabs to unfold the blank. A ready-sized preset of the collapsible locking support panel. Change the length, width, height, board and options in the editor; the dieline and the 3D preview follow each change. ## Default size - Inside size: 160 × 12 × 240 mm - Outside: 163.2 × 15.2 × 243.2 mm - Flat blank: 500.2 × 340 mm - Manufacturing (score to score): 160 × 12 × 240 mm ## Specifications | Specification | Value | | --- | --- | | Reference | DM-COLLAPSIBLE-SUPPORT-01 | | Family | Trays & lids | | Inside size | Support width 160 · Support thickness 12 · Support height 240 mm | | Size range | Support width 60–500 · Support thickness 6–100 · Support height 80–700 mm | | Parts | One blank | | Board area | 0.136 m² (about 2 up on a 720 × 1020 mm sheet) | | Default board | E-flute kraft / kraft (1.6 mm caliper) | | Board options | E-flute kraft / kraft, E-flute white / kraft, F-flute micro corrugated, Folding boxboard 400 g, Kraft board 350 g | | Good for | collapsible support, folded support panel, locking support, three ply support, fold flat insert, rectangular support | ## Before you choose this template ### Will the portrait locking support panel dieline fit my product? Three broad panels roll around two narrow spacers to form a hollow support with an overlapping back. Top and bottom returns lock into struck tabs on the front; release the tabs to unfold the blank. The default dimensions in inside-size mode are Support width 160 mm, Support thickness 12 mm, Support height 240 mm. Measure your product and any inserts or wrapping, then set the template size. Check a physical sample with your contents before ordering production. ### Can I change the size and design? Yes. The supported ranges are Support width 60–500 mm, Support thickness 6–100 mm, Support height 80–700 mm. At the default settings, the editor also exposes Locking return depth. Add your own artwork and preview the result in 3D. The template geometry is rebuilt when its dimensions change. ### Which materials can I choose? The default is E-flute kraft / kraft (1.6 mm caliper). This structure allows E-flute kraft / kraft, E-flute white / kraft, F-flute micro corrugated, Folding boxboard 400 g, Kraft board 350 g. Select the stock before checking fit, and ask your converter to confirm the grade and caliper for the intended product. ### Which files can I download? The template page offers dimensioned PDF, Illustrator (.ai via script), layered SVG and DXF cutting and crease geometry. After adding artwork in the editor, you can export a print-ready PDF and review the bleed, safe areas and dieline layers with your printer. ### Is this dieline free? Browsing the previews is free, and you can customize the template after signing in with Google. Template and print-file downloads require a Pro or Business plan. The Free plan allows one eligible download every 8 hours; free mockups, renders and videos carry a watermark. See the pricing page for the current plans. ### Can I send the download straight to production? Use the file as a starting point for a printer or converter review. Confirm the finished dimensions, stock, crease and cutting setup, assembly, bleed and artwork, then approve a physical sample. The 3D preview does not test strength, transit performance or suitability for particular contents. [Compare plans and downloads](https://dielinemaker.com/pricing) ## Downloads and previews The dieline downloads as PDF (with dimensions), Illustrator (.ai), SVG (vector, by layer) and DXF (for CAD and cutters). These downloads are part of the Pro and Business plans; the previews below are public. - Flat preview (PNG): https://dielinemaker.com/dielines/collapsible-locking-support--collapsible-support-portrait/preview.png - Folded preview (PNG): https://dielinemaker.com/dielines/collapsible-locking-support--collapsible-support-portrait/folded.png - Customize in the editor: https://dielinemaker.com/create?style=collapsible-locking-support&preset=collapsible-support-portrait - Open in the 3D Studio: https://dielinemaker.com/studio?style=collapsible-locking-support&preset=collapsible-support-portrait ## Adjustable in the editor Beyond the size and board, this structure exposes 1 option; the template and 3D preview follow each change. - Locking return depth (mm) ## The collapsible locking support panel family The same structure with sizes, boards and options set for a use. - - [Collapsible locking support panel](https://dielinemaker.com/dielines/collapsible-locking-support) - 160 × 12 × 240 mm · DM-COLLAPSIBLE-SUPPORT-01 ## Similar structures Other structures built in a similar way, matched on code family, category, closures and proportions. - - [Cradle end-wall insert](https://dielinemaker.com/dielines/saddle-endwall-insert) - DM-SADDLE-ENDWALL-INSERT-01 · 220 × 90 × 60 mm · Trays & lids - - [Folded compartment insert](https://dielinemaker.com/dielines/folded-compartment-insert) - ECMA F80.21.00.00 · 160 × 80 × 100 mm · Trays & lids - - [Folded support rail](https://dielinemaker.com/dielines/folded-support-rail) - DM-SUPPORT-RAIL-01 · 240 × 30 × 25 mm · Trays & lids - - [Diagonal compartment insert](https://dielinemaker.com/dielines/diagonal-compartment-insert) - ECMA F80.23.00.00 · 140 × 70 × 90 mm · Trays & lids - - [Partition insert with retaining tabs](https://dielinemaker.com/dielines/retaining-lane-insert) - DM-RETAINING-LANES-01 · 240 × 240 × 60 mm · Trays & lids - - [Flat inlay with fold-up tabs](https://dielinemaker.com/dielines/tabbed-flat-inlay) - ECMA F80.01.00.00 · 200 × 200 × 75 mm · Trays & lids ## Related - [Trays & lids templates](https://dielinemaker.com/dielines?category=tray) - [Portrait locking support panel mockup](https://dielinemaker.com/mockups/collapsible-locking-support--collapsible-support-portrait) - [How to read a dieline](https://dielinemaker.com/blog/what-is-a-dieline) - [Inside vs outside box dimensions](https://dielinemaker.com/blog/box-dimensions-inside-vs-outside) - [All dieline templates](https://dielinemaker.com/dielines)