Custom Software vs Templates for Quoting Construction Products
By Facundo Campo, 3D quoting tool developer
In short: For quoting construction products, a template or off-the-shelf tool is enough when the product has few options and per-item prices; custom software pays off when price and shape depend on building rules, free dimensions and combinations a template can't represent.
The short answer: if your product is quoted like a catalog (fixed models plus add-ons with set prices), a template or off-the-shelf tool will probably be enough. If the price comes from free dimensions, building rules and combinations that change the structure, as with a metal building, a home built room by room or a horse barn, custom software is usually the only way to get a tool that quotes correctly and doesn't just look good.
What we mean by template and by custom
To keep this concrete, let's define the terms:
- Template or off-the-shelf tool: an existing system, designed for many industries, that you set up by entering products, options and prices. It could be an online quote builder, a monthly subscription product configuration platform, or even a very well-built spreadsheet.
- Custom software: a development built around the rules of one specific product. It's programmed with which dimensions it accepts, which parts result from each choice and how the price is calculated. It can rely on an existing engine, but the rules are yours.
Neither is better in itself. Each one fits a different case. Comparisons that name specific products are in the comparisons section, for example in 3D configurator platforms vs custom development.
When a template is enough
An off-the-shelf tool works well when:
- The product is sold by model. Three models of quincho (an Argentine covered barbecue area), each with its price, and a list of add-ons.
- Options don't change the structure. Picking a color or finish changes the price, but not the number of parts.
- The price is a sum of items. Base model plus add-on A plus add-on B.
- You don't need to show the exact product. A photo per model is enough.
If your company sells this way, a template gives you speed and predictable cost. Paying for development to handle a sum of items would be overspending.
When a template falls short
The problem shows up when the product is truly parametric. Take a metal building:
- The span can range from 6 to 40 m and the length from 6 to 90 m. That's not three models, it's thousands of combinations.
- Changing the span changes the frame, and with it the kilos of steel.
- Changing the length changes the number of frames and purlins.
- Brick plus metal sheeting cladding isn't an add-on: it changes walls, junctions and finishes.
- A door wider than the frame spacing forces the structure to be solved differently.
A template built on "product + options with prices" can't represent that without workarounds. What usually happens is that the manufacturer ends up simplifying its product to fit the tool, or quotes with approximations that later turn into quoting mistakes.
The same goes for visuals. A template can show photos or fixed 3D models. Showing the building the customer configured, with its dimensions and cladding, requires generating the geometry from the rules. That's what I explain in parametric rendering.
What questions should you ask before choosing?
These questions help you figure out where you stand:
- Does my customer choose free dimensions or fixed models? Free dimensions point toward custom.
- Does any option change the amount of material? If so, the price isn't a sum of items.
- Are there combinations that can't be built? A template is unlikely to block them properly.
- Do I need the customer to see exactly what's being quoted? If so, you need 3D generated from the rules.
- Do I want the quote to reach production as data? I cover this in from quote to production.
- How do I sell? Trade shows with no signal, WhatsApp, sales reps on the road. If the way you sell has its own quirks, an off-the-shelf tool may not account for them.
If you answered no to almost everything, start with a template. If you answered yes to several, take a close look at custom development.
Costs, without made-up numbers
There's no list price for custom development: it depends on how many products, how many options, and whether there's live pricing, PDF, CRM or offline mode. What you can compare is how the cost is structured:
- Template: low upfront cost, monthly fee, and a ceiling on what it can do. If the product doesn't fit, there isn't much room to maneuver.
- Custom: higher upfront cost, maintenance as agreed, and the tool does what your product needs. If you add a product, it gets added.
The factors that set the price of a development project are in how much a 3D quoting tool costs.
The middle path: custom on top of an existing engine
There's an option that often gets overlooked: custom development that doesn't start from scratch. That's how I work with Estructuras 3D. The engine already handles lighting, camera, interface, layers, views and sharing configurations. What gets built for each manufacturer is the parts and rules of its product, the price table, the quote and whatever else sales needs.
That combines the best of both options: the rules are your product's, as with custom development, and you don't pay to reinvent what's already solved. The public configurators for metal buildings, prefab homes and horse stables show that engine running with three very different product lines. They don't show prices: pricing is part of each custom project, as with EQUIBOX.
The underlying question: who adapts to whom?
With a template, the manufacturer adapts to the tool. With custom software, the tool adapts to the manufacturer. Both can be fine. The problem is when a manufacturer that sells custom products ends up trimming its own product to fit a generic form.
Facundo Campo, a software developer based in Quilmes, Buenos Aires, works on the second side: custom 3D quoting tools for manufacturers whose product doesn't fit a template. If you're not sure which side your product is on, tell me how you quote today on WhatsApp at +54 9 11 6193-3176 or by email at facundocampo100@gmail.com, and I'll tell you honestly whether custom development makes sense or something simpler will do.
Frequently asked questions
When does a quoting template make sense?
When the product is sold as fixed models, options don't change the structure and the price is a sum of items. In that case an off-the-shelf tool is faster and cheaper to set up.
When does custom software make sense?
When the price depends on free dimensions, building rules and combinations that change the amount of material, as with metal buildings, homes built room by room or horse barns. There, a template forces you to simplify the product or quote with approximations.
Does custom software always start from scratch?
No. It can rely on an existing engine, like Estructuras 3D, and develop only each manufacturer's rules, prices and sales features.
Can I start with a template and move to custom later?
Yes, and sometimes it makes sense. What matters is that your prices and rules are organized, because that information is useful in either tool.
