Lighting a cafe or restaurant in Dhaka without buying forty identical lamps

If you are fitting out a cafe, a restaurant or an office in Dhaka, lighting is usually where the interior budget quietly goes wrong. Here is the specific problem printed lamps solve, and where they are the wrong answer.

The two problems with buying lighting off a shelf

You cannot get enough of the same thing. Import stock arrives in small quantities. You find a fitting you like, you need fourteen, the shop has five, and the next shipment is a slightly different batch in a slightly different finish. Under warm light across one room, "slightly different" is visible.

You cannot replace one when it breaks. In a working venue something always breaks — a bag catches a pendant, a chair goes back too far. Eighteen months later the model is discontinued, and one mismatched fitting in a row of eight is more noticeable than eight mismatched ones.

Printing addresses both, because the design is a file rather than a shipment. A matched set is one print run in one filament batch, and a replacement two years later is the same file printed again.

What a matched set actually means

When we take a bulk order we print the whole set from the same filament batch, on the same machine settings, in one run. Colour is consistent, the surface finish is consistent, and the pieces sit together the way the drawing promised.

You can also mix shapes deliberately while keeping one colour across all of them — three shapes in the same sand-coloured PLA reads as a considered scheme, where three shapes in three colours reads as whatever the supplier had. That is a cheap way to make a small room look designed.

Where printed lighting is the wrong choice

Worth saying plainly, because a bad fit costs you more than the lamps:

• Anywhere hot. Not over a grill, not in a kitchen pass, not near anything venting heat. PLA softens around 55–60°C.
• Anywhere wet or outdoors. Printed parts are not sealed against moisture. A covered courtyard that stays dry is fine; an open rooftop is not.
• As your main light source. These are decorative and atmospheric. Task lighting over a counter or a work area needs proper fittings; use printed pieces for the tables and the walls.
• Where they get knocked constantly. A printed shade at shoulder height in a narrow service corridor will not survive, and neither would a glass one.

Lead times for quantity

The honest constraint of printing is that it does not scale the way injection moulding does. Ten lamps take roughly ten times as long as one, because each one occupies a machine for its own print.

For a small venue that usually means:

• Up to 10 pieces: around two weeks
• 10 to 30 pieces: three to four weeks
• More than 30: talk to us early, and expect to phase the delivery so you can open on time

Those are estimates, not promises — tell us your opening date and we will give you a real answer before you commit, including telling you if we cannot do it.

Custom work

Bulk is also the point at which custom becomes worth it. Designing a shape for a single lamp is not economic; designing one for twenty is. If you have a motif in your branding, a shape from the building, or a pattern from your menu, it can usually become a shade.

Send us a photo, a sketch or a 3D file at support@3dowala.com. We will tell you whether we can make it well, which is not always the same as whether we can make it.

What to send when you ask for a quote

You will get a useful answer faster with these:

• How many pieces, and by what date
• Photos of the space, ideally with the lighting you currently have on
• Table or pendant, and the drop height if pendant
• A colour reference, or tell us to suggest one
• Whether you need them wired for mains or USB

For orders inside Dhaka we often deliver ourselves rather than by courier, which is faster and lets us set the pieces up on site and check how they look lit in the actual room before we leave.

Start by looking at table lamps and lanterns for shapes you like, then email support@3dowala.com with the list above.