XYZ Design

Fabrication Studio

Build type

Two opal faces with removable trims

Build type · Double-sided lightboxes

A double-sided acrylic lightbox with a mitred C-channel perimeter and removable face-retaining angle trims.

Construction model

FINISHED ENVELOPE2,200 × 400 × 113.2 mm

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Component schedule

Build breakdown

Finished components for the estimate

Pieces: 14
Schedule rows: 5

Component	Material	Finished size / reference	Qty
100 × 25 × 3 mm · 45° mitres · Length measured at the long point	Capral EK9168 aluminium channel	2,196.8 × 25 × 100	2
100 × 25 × 3 mm · 45° mitres · Length measured at the long point	Capral EK9168 aluminium channel	25 × 396.8 × 100	2
30 × 20 × 1.6 mm · 45° mitres · Length measured at the long point	Aluminium angle	2,200 × 30 × 20	4
30 × 20 × 1.6 mm · 45° mitres · Length measured at the long point	Aluminium angle	30 × 400 × 20	4
4.5 mm opal acrylic · Finished panel size	Opal acrylic	2,192.8 × 392.8 × 4.50.86133 m² net face · 5,171.2 mm contour	2

Build dimensions

Overall widthOverall heightChannel web depthNominal channel web. The assembled box adds both acrylic faces and trims.Channel flangeChannel wallOpal face thicknessTrim face leg30 mm is the shop concept. 32 × 20 × 1.6 mm is a catalogue alternative.Trim return legTrim wallFace clearance per edgeStarting clearance for the concept. Check thermal movement and the actual fit.

Artwork

Place the saved Artwork Studio draft on the available faces.

Build assumptions

The 100 × 25 × 3 mm inward-opening channels mitre around the perimeter. Capral EK9168 (813736) is the matching section.
Each face has 2 mm edge clearance, 26.4 mm trim overlap and 23 mm seating on the channel flange. The visible opening is 2,140 × 340 mm.
Each 30 × 20 × 1.6 mm trim overlaps the channel by 13.4 mm along the return. Confirm trim stock. Capral 813657 is the 32 × 20 × 1.6 mm alternative.
Service one side by removing its perimeter trim, then lifting the supported acrylic outwards. The model leaves 0.5 mm between the face and channel flange. Check packing, thermal movement, retainers and edge protection.
Source opal acrylic from Graphic Art Mart and lighting from Bounce LED. Check corner connections, fasteners, the lighting layout, sealing and drainage for the job. Suspension and supporting structure require separate design and verification.
Big Banner Australia 2026 p. 9 lists a 2,200 × 400 mm double-sided acrylic lightbox with a 150 mm extrusion and optional hanging hardware for comparison.