What is the best 3D mechanical design software for ceramics in 2025?

CAD software and 3D printing are a potential revolution in vessel mold-making for ceramics (3D modelling is another topic). But there are two big problems: There is no way a potter, hobbyist or even small manufacturer can afford the typical software cost. While it is true most have free or low-cost trial or hobby versions, the strings attached are deal breakers. The second problem is the complexity of learning - that can be a bigger obstacle than cost.

Until the recent price increase Fusion 360 seemed to be exactly what was needed. A great way to on-board the CAD world, using the free version and its great learning resources and best-in-class user interface. It is new and modern, a YouTube star. It is fully parametric supporting constraints and a timeline. True, it can choke on more complex drawings on consumer computers, but we don’t need to do those. But, for commercial use, it costs $680/yr. But that is cheap compared to some others! Upon discovery of the capability, the cost might be doable for you.

Here are the ones you likely cannot afford (and maybe don't want):
-OnShape runs in your browser. It focuses on collaboration for teams. Free-version drawings are public but going private costs $1500/yr!
-Rhino is usable for CAD but is polygonal and targeted at modelling. It is not fully parametric and does not have a traditional timeline (however Rhino+Grasshopper is life-changing for geeks, both for CAD and modelling). $1000 to buy but upgrading is $500+.
-Solidworks is fully parametric with editable history. But it is old, the interface shows it. It is low cost for hobby use but for commercial use it is far out of reach for individuals ($2600/yr in 2025).

Some upcoming possibilities:
-FreeCAD is becoming more viable. It is parametric, has constraints and exports and imports popular formats (but with lots of issues). Its model tree is equivalent to the Fusion 360 timeline, but more clunky and depends on careful setting of constraints. The learning curve right now puts it out of practical reach of most. With a capital injection, like Blender got, this could change.
-Shapr 3D costs $299/yr, also works on iPad (which Fusion 360 does not), and uses the Parasolid engine like OnShape and SolidWorks. But it seems to be targeted at being intuitive for conceptual modeling and quick prototyping for drawings that are finalized in other products (limited support for accurate feature placement, constraints, parametrics and boolean operations).

Related Pictures

Flanges enable an all-in-one 3D printed block mold for slip casting

All-in-one 3D printed slip casting block mold with flanges

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The center piece of this 3D printed assembly defines the outside shape of the ceramic vessel (plus two spares at the top). This entire assembly is an all-in-one case mold for a two-piece plaster working mold. This was printed as six light-weight units on standard Prusa MK3 and MK4 printers, walls are 0.8mm thickness. The upper and lower inside model halves were glued together (with the aid of an inside hoop to line them up). Outer flanges were glued on to enable clamping the outer shell vertically and horizontally.

The membranes defining mold mating points are printed onto the inside model, they extend out far enough to clamp between the flanges of the outer shell sections (suspending the model in the center). The membranes have holes to enable inserting natch-pairs. The thin base is glued on to hold the lower outer shells in place (in flexes enough to enable extracting the plaster form without mold breakage). The whole assembly is held together by clamps so it can be used multiple times.

Fusion 360 on YouTube

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Popular Fusion 360 gurus get millions of views. Lars Christensen, Kevin Kennedy and Tyler Beck have been joined by many others. If you get stuck, there are hundreds of places on line for help. It is helpful if you know how to do a screen recording (e.g. using ScreenPal) to be able to demonstrate your problem. Getting specific answers to specific problems is a surefire way to progress in your knowledge. The first item to learn is sketching, sketches are the starting points for extruding, revolving, sweeping and lofting, the most common ways of many 3D objects.

G-Code 3D Printer instructions

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Simplify3D knows how to convert the 3D geometry generated by Fusion 360 into G-Code (shown in the black text window lower right). I have just told Fusion 360 to print this and it automatically launched this and passed the 3D geometry to it. Simplify3D is a "slicer" because it knows how to convert a 3D object into slices that a 3D printer can lay down (one on top of the other). Simplify3D is fairly expensive and competes with a number of free products (like Slic3r, Cura). It gives me a 3D view of the object and enables positioning and rotating it on the bed and configuring dozens of parameters. It is about to deliver the G-Code (via a USB connection) to my RepRap 3D printer (although it is often preferable to use the "Save Toothpaths to Disk" button to generate G-Code and write it to an SDCard which the printer can accept). The black text-edit window shows what the G-Code looks like. It is just text. With hundreds of thousands of commands that mostly move the head to successive X-Y positions and a defined filament feed-rate.

Getting a consultant on Upwork

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Notice I have done the search: "3d printing fusion 360". Initially it showed many North Americans, who typically charge $30-50/hr. But notice I have refined the search and specified India and Bangladesh. This cuts the price by half or three quarters. Notice that the highlighted consultant, although advertising as hourly, also does 'fixed price' work. And on the other jobs, notice how happy the client was and that he worked many more than the required hours (reducing the hourly earnings). At the prices Asian engineers charge you can afford to pay them plenty of bonuses (part of the Upwork system) to keep good relations. Their skills are exceptional, they will make you look good!

CAD tools vs modelling tools

Fusion 360 T-Splines made this model possible

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I have been struggling to recreate a Medalta ball pitcher using the solid modelling tools in Fusion 360. The example on the left shows the issue (it was made by revolving a cross-section sketch and doing a cutout on the top). But I need a spherical body with an oval neck, the CAD design tools don't enable that.

The answer is 3D modelling. I veered away from Fusion 360 and searched and tried some 3D modelling apps. Nothing practical. Then I hired a freelancer who claimed to be able to do it in Fusion 360. He could not. My motivation to prove to him it is possible brought the solution: Revolving a fit point spline outline, in the form modelling workspace, to create a 3D T-Spline model. The points, lines and faces can be freely moved and the lines can be creased. This works really well, and it is going to open up for me the creation of very organic shapes. It took AutoDesk engineers years to get T-Splines working, but they are magic math now.

Videos

Links

Glossary	3D Modeling 3D surface modelling tools enable the creation of objects by starting with a basic shape having polygon surfaces and then subdividing, pushing and pulling the quadrilateral or triangle polygon meshes to form shapes.
Glossary	3D Design 3D Design software is used to create dimensionally accurate objects by sketching 2D geometry and transforming it using tools to rotate, extrude, sweep, etc. The software generates the polygon surface.
Glossary	3D-Printing Standard 3D printing technology (not printing with clay itself) is very useful to potters and ceramic industry in making objects that assist and enable production.

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