Combined vs separate resin wash and curing stations: organizing your part queue

One chamber for two phases: how the sequence runs

A combined unit uses the same enclosure for washing and curing. According to the Formlabs product page, Form Studio Wash+Cure washes and cures in a single unit. In wash mode, a magnetically coupled impeller circulates solvent around the parts to clear uncured resin from channels, cavities, and undercuts. You can load parts directly on the build platform or into the basket.

Parts rotate under 405 nm light. Formlabs presents that rotation as exposing every face; the page does not provide an independent measurement of exposure uniformity.

While one batch is curing, the unit cannot wash another. Drying also blocks the enclosure only when it takes place there; if the instructions permit a different arrangement, the queue changes. Record where each stage occurs rather than automatically adding all drying to device occupation. The resin post-processing guide presents the overall chain, separately from each device protocol.

Two separate stations: wash one batch while another cures

With two distinct machines, each phase gets its own station. Formlabs offers Form Wash for washing and Form Cure for curing, with V1, V2, and L variants for larger formats. According to the product page, Form Wash agitates parts in solvent with an impeller, then automatically raises them out of the bath at the end of the cycle so they can air dry.

The organizational difference shows up as soon as you have more than one batch. While the first batch cures in Form Cure, the second can already be spinning in Form Wash. The two machines work in parallel instead of one after the other. Formlabs also notes that Form Wash L fits one Form 4L build platform or two Form 4 platforms with the included adapter, which changes how much goes through each wash cycle.

This parallelism comes with a condition. Someone, or something, has to move parts from the wash station to the cure station at the right moment. If you are not at the bench when the wash finishes, the batch sits there and the advantage shrinks. Formlabs documents its own machines only; nothing on these pages shows that separate stations from different brands chain together as smoothly.

A hypothetical queue scenario: where the bottleneck forms

For a hypothetical scenario, record W for washing, D for drying, H for handling and C for post-curing. Use exact product instructions and, if you time your workflow, record those observations separately. Also record the occupied resource: device, drying area and person handling transfers. Drying time is not automatically machine time.

First scenario: one batch remains assigned to the combined unit until completion, with drying planned inside that enclosure. Place washing, drying, mode changes and post-curing sequentially on a timeline. For several batches, add unloading and preparation. This assumption describes a chosen arrangement, not a mandatory workflow or a throughput figure published by Formlabs.

Second scenario: represent the wash station, cure station and transfers separately. Washing can overlap curing of the previous batch only when the device and operator are available. Place drying at its actual location. The bottleneck may be a device, a drying area or handling; it is not always determined by the longer of two cycles. No batch was timed for this comparison.

Handling, drying, and solvent between the two phases

For Form Studio Wash+Cure, Formlabs describes manually raising the basket after washing. For Form Wash, it describes an automatic raise. Raising removes parts from the bath but does not demonstrate that they are dry. Before post-curing, follow the drying instructions for the exact resin and wash liquid; distinguish drying time from the period a station remains unavailable.

The page describes raising the basket and installing the turntable for cure mode. It does not specify here whether the wash bucket remains in place or is removed. Do not infer that solvent stays in the enclosure during curing or that the bath must be drained at every mode change; follow the exact manual for that transition.

On solvents, Formlabs states that Form Studio Wash+Cure, Form Wash, and Form Wash L accept IPA, TPM, and the company's Resin Washing Solution. Always confirm your resin's compatibility with the chosen solvent in the resin's own documentation, because the station does not settle that question for you.

Footprint and bench space

Space is the argument Formlabs pushes hardest for the combined unit: "two steps, one machine," meaning one spot on the bench instead of two. The published dimensions make the comparison concrete. Form Studio Wash+Cure measures 33 x 30 x 44 cm. Form Wash V2 measures 31.5 x 29.3 x 40.5 cm, but its height when open reaches 71.4 cm, which matters if a shelf sits above it. Form Cure V2 measures 33.7 x 40.4 x 37.2 cm and weighs 12.1 kg.

Each separate device occupies its own footprint, with additional clearance and a landing area to plan. In exchange, the spec sheet lists capacity differences. The Form Studio Wash+Cure basin holds 10 L of solvent versus 14.4 L for Form Wash V2, and Form Cure V2 has a chamber heater rated up to 100 °C, while the combined unit has no heater.

Solvent liters describe the bath, not the accepted part volume. Separately compare usable envelopes, basket/platform configurations, opening clearance and resin protocol. Specifications do not measure result quality or actual hourly capacity. The startup budget tool helps list the complete equipment without constituting a quote.

How to decide for your own usage

A combined device can be considered for a single-batch session when its modes and protocol match the intended resin and parts. Check configuration changes and required handling; one enclosure does not mean one loading operation or an automatic sequence. The practical benefit is sharing one location between two modes, each with its own constraints.

For several batches, map possible overlaps and waiting rather than assuming doubled throughput. Two devices allow parallel work but do not remove drying or transfers. Also check that planned batches actually fit each device. An observation from your own workshop would be a separate result, to date and describe with its conditions.

Two things stay outside what these Formlabs pages support. Nothing there proves one architecture produces stronger parts than the other, or that a combined unit costs less to run. And a cycle time shown on a machine is a workflow time, not the polymerization speed of your resin. Before buying, reread the guide to choosing a resin printer and confirm the printer compatibility the station maker lists.

Sources and limits

• Form Studio Wash+Cure | Formlabs
• Formlabs 3D Printing Post-Processing Solutions | Formlabs

We organize manufacturer and community documentation; we have not measured these products ourselves. The manual for your exact model takes precedence over general guidance.