Even if I had to deal with a few setbacks, the work went forward quite smoothly and pretty much the way I had imagined it. However, some serious precision work was necessary to make the parts as accurate and clean as they turned out to be, which was no easy task at all! As you can see in the pictures below, I shaped the wooden raw material with knives, saws, files and of course different kinds of sandpaper until I was satisfied with the results, while permanently applying coats of primer in between to reveal rough spots and other blemishes yet to be smoothed out. The most useful tool in this process? My caliper, which I used to continuously measure the thickness of the ribs, the spacing between them, etc. Without it, the parts undoubtedly wouldn’t have turned out this nice.

Of course, the pieces are not 100% symmetrical or exactly like my schematics, but I’m very pleased with the results nonetheless. The three parts I made in this manner are the ribbed middle section as well as the two back pieces. I decided to do the latter ones separately so I could make seamless resin castings of them later by using a one-piece silicone mold for each in contrast to a two-part mold for a bigger piece, which would possess a seam line by default.

So, without further ado, here are the pictures. First, the finished parts:

The original prop and my schematics for comparison:

And here are some progress pictures:

Very useful for making flat surfaces truly flat: a belt sander.

Humble beginnings…

Expanding the grooves.

Cutting deeper to match my schematics.

Some filing action to accurately shape the ribs.

Splash coat applied to reveal all kinds of blemishes.

The final cut to trim the piece from the excess wood.

The next part of the probe I want to tackle is the tip of the tool, which I will have to scratch build since I wasn’t able to identify the nose hair trimmer part that was originally used for this purpose.

Keep watching the blog for more updates. If you want to catch additional info between my blog entries, follow me on Twitter: @trekprops!

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For what it’s worth, here’s a look at the test piece I was playing with to get accustomed to working with a lathe:

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As with most of these props, it was used as a medical instrument as well as an engineering tool. However, with this one, the scientific use was seen more often.

Here are some screenshots from “Star Trek: Captain’s Chair“:

And here are two shots from the “It’s A Wrap”-Auction where two of these were sold:

Lastly, here’s the sequence of the lights from the show:

Even if it’s not very clear in the animation above, I know that the last LED of the sequence is green whereas the rest of the lights are of a warm yellow/orange color.

Using these references and with some help from people in the know, I was able to figure out proportions and measurements for this prop. Also, I learned that the tip was taken from a nose hair trimmer and the ribbed middle part was loosely based on a Star Wars lightsaber handle. The back piece was custom made from aluminum.

Here are some schematics I put together:

This drawing will be the basis for my replica. The dimensions should be pretty accurate to the original.

The next step will be to manufacture the ribbed middle section as well as the two back pieces. I will try to accomplish this by turning these parts from wood.

Stay tuned for more progress pics in the coming weeks!

Any questions or suggestions as to how I should proceed with this? Or do you know which nose hair trimmer model was used for the tip of the Neutrino Probe? Leave a comment and let me know!

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For it to be the correct size, a good portion needs to be cut off the back of the unit. The display screen of the Desktop Viewer was scratch built for the show, then the whole thing was (re)painted and decorated with pieces of black acrylic as well as vinyl tape.

I’m currently looking to get the missing pieces (screen, etc.) from fellow prop builders. If that doesn’t work out, I’ll scratch build them myself. Anyhow, this project is on the back burner for now.

Are you going to try to get one of these for yourself? Leave a comment and tell me!

Below are some screenshots. Notice the power plug socket on the side which was concealed on some prop units and visible on others.

Related Content:

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2. Prop Analysis: Neutrino Probe
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5. Work In Progress: Neutrino Probe – Main Parts

Thirdly, the color of the prop was way too light. Additionally, the backside of it wasn’t painted at all! The naked resin revealed itself which was simply unacceptable for me.

Here are a few pictures:

No doubt about it, I had to do some face-lifting work there.

My first step was to sand down the old paint completely and to remove the circuit graphic. I removed the paint residue from the “ground” of the circuit depression using an appropriate attachment for my dremel. This technique however didn’t work with the four upper small slots.

Next up was the backside. Since there was the raw resin visible – being everything but flat and even, I decided to strengthen it with styrene.

Some putty and sanding work helped here to make it look much better. There were however still imperfections left to eliminate.

After I had repaired all of the blemishes with spot putty, I could then primer and paint the piece. Since the original color – Plasti-kote 7173 – was never available in Germany and the original composition has been changed even in the US, I used a custom mixed equivalent that is indistinguishable from the original color.

Now I had to attend to the four small vents on the top of the prop. They had to be painted black again. Not an easy task to cover all of the insides with paint without messing up the front…

After I had cut the new circuit graphic, adjusted it to fit inside the depression and glued it in, I was satisfied with the result:

Looking back to the beginning I think that reworking this prop was worth the effort. The color is now accurate and the surface looks a lot cleaner and smoother. Only one question remains: How can I activate the darn thing…?

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In the episode “Future’s End“, the Doc was able to get a piece of 29th century technology – the mobile emitter -, which enabled him to do a big step in his development: He now was able to not only exist in sickbay or the holodeck but any other room without holo projectors and to move freely on the ship, go on away missions, etc. In essence, he gained the same freedom any other (human) crew member took for granted.

Here are some reference pictures from various episodes:

Here are the pictures of my replica:

The exposed circuits can be modified using micro tools, …

… which can have different effects on the Doctor’s projected appearance.

Size comparison with a Standard Starfleet Comm Badge.

I got the circuit board graphic from a fellow prop builder, …

… who printed it on aluminium vinyl and then laminated it. Great work!

The inside of the four slots are hand painted.

The graphics were cut precisely to fit in where they should.

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Once activated, these small devices enable the user to communicate with any other crew memeber who is also equipped with a smiliar badge. While the activation is done by a simple tap, everything else works through a highly sophisticated speech recognition system. Furthermore, these badged contain a personal ID beacon which can for example help to locate crew memebers in case of an emergency.

My replicas shown here are first generation castings from the original and are painted with authentic colors – unless you own a screen-used piece, this is as authentic as you can get. I acquired all of these items through eBay from the seller “JeepFX“.

TNG

TNG – Acting Ensign

TNG – “Future Imperfect”

DS9 – Bajoran Militia

TNG – “All Good Things…”

DS9/VOY/FC/INS/NEM

VOY – “Relativity”

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This excitement of mine led to a passion for engineering tool props. As a matter of fact, this is what brought me into the hobby of prop replicas in the first place! Even as a kid I always wanted to have these little blinking devices, so why not build them myself now?

Since these types of props are not very prominent within the Star Trek universe – Phasers and Tricorders for example are more dominant – it is rather difficult to get any information regarding them. So, there’s only one method to get some reference material: To watch episodes and capture as many screenshots as possible.

Here are some reference pictures I have collected for the ODN Scanner:

Version 1: Early seasons of DS9 – color scheme 1 – medical application.

Version 2: Late seasons of DS9 – color scheme 2 – engineering application.

Version 3: Late seasons of Voyager – color scheme 3 – engineering application.

As seen on the pictures, these kinds of props often don’t have a “fixed” field of application. Because of this, they can be seen in the hands of an engineer as well as in sickbay.

In the Star Trek universe, the explanation for this is simple: All of these devices are composed of modules, so they can operate in different configurations and with a different programming to perform various tasks.

Production-wise of course, the prop department has a certain amount of these “miscellaneous” props in storage and then decides which one suits the requirements of the script best. If necessary, they sometimes repaint it to make it look a little different.

This is also why these types of props usually don’t have an “official” name. Therefore I had to make one up which would correspond to the shown usage scenarios of this prop: The ODN Scanner (ODN = Optical Data Network). I chose to ignore the medical usage here.

Using my reference pictures, I could then draw the following illustration, which also contained the final dimensions. Although some minor details are different from the finished product, the most important features are outlined here:

Careful planning is very helpful in this hobby.

This replica is a so called hero version. This means that it’s not just a painted chunk of resin but a hollow shell with working electronics inside. In this instance, there is a running light with five green LEDs above the display and a super bright red LED on the top side of the scanner. This brings the prop to life, increases the authenticity and is just so much more fun!

The traditional color scheme for Starfleet equipment: PK 7173 & PK 7179

Several greeblies add authenticity to this engineering tool: Styrene, clear plexi.

This prop can be seen in “Deep Space Nine” as well as in “Voyager”…

… and also had a short appearance in the show “Borg Invasion 4D” in Las Vegas.

I also made the display graphics myself…

… and got it printed on high quality photo paper.

This so called hero version contains an electronic circuit, …

… which lights up 5 green running LEDs and one super bright red LED.

The button to activate the lights is located on the handle.

The batteries are installed into the handle, …

…which can be opened to replace them easily!

Here is a flash animation to show the scanner in action:

The glowing LEDs are not simulated but actually photographed! The speed of the running light matches almost exactly the real thing.

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Matt’s PADD kits contain three black acrylic plates which have been precision cut with a laser using the accurate shapes traced from an original prop. The thickness of the plates is also correct (3 mm).

Along with these plates I got a set of graphics for the display and the control buttons. I also got another display graphic so I could choose my favorite one. Furthermore, there’s a sticker of brushed aluminum vinyl included for the big button in the right control window. Looks sweet!

Here are all of the kit pieces at a glance:

There is a protective paper backing on the acrylic plates. This is a necessary part of the laser cutting process.

This paper has to be removed first, but only on the “inner” sides of the front and back plate:

These are the two plates without the paper. Note that the right (front) plate is lying on the table reversed showing it’s “inner” side.

Next these plates are carefully glued together so that they are perfectly aligned to each other and the edges are flush. This is just a temporary fixation and will be unfixed later. So I didn’t use a non-removable glue, but double sided adhesive tape instead.

I left the paper attached to the front and back side to protect them during the next step.

The corners and edges of the PADD need to be rounded. Since acrylic is a pretty hard material, you won’t have much success using sandpaper. For this you need either a dremel with an appropriate attachment, a router or a big file. I decided to use the latter to keep a higher degree of manual control.

This is a rather tricky process. The curvature should be clearly visible, but it shouldn’t be too round. It wasn’t easy to remove an equal amount of material all around and on each side to make it look symmetrical.

The file work is of course only a means to add the bevel to the plates. You won’t be able to get the surface smooth that way. To achieve that, I used sandpaper going from lower to higher grit numbers. This works best using wet sandpaper under running water!

During sanding I then disassembled the two plates to also sand the “inner” edges slightly – not to round them, but to remove flashes left over from the laser cutting process.

Finally, I also removed the paper backing to check the curvature of the two plates and used sandpaper to do corrections.

Here’s the result of my work with file and sandpaper:

Next up is priming the PADD.

Since the plates are later glued together, the areas where the glue will be applied need to be masked. This is done because glue attaches itself more easily to “naked” acrylic than to primer or paint. This way you won’t have to use sandpaper later to rough up the surface.

To prime the pieces, I placed them on paper without suspending them in any way! This way I didn’t have to worry about overspray getting on the other side of the plates and making them look ugly. I didn’t prime the edges in this step because they could get stuck to the paper.

When the primer was dry, I turned the plates over and then did suspend them on small blocks of wood. I primered the pieces again and also applied some to the edges. Because the plates are suspended, they can’t get stuck to the paper and I don’t have to worry about overspray because most parts of the inner side will not be visible.

I repeated this step with my Plasti-kote 7173 equivalent spray paint,  suspending the pieces when doing the outsides and laying them flat when doing the inner sides.

Next up are the graphics. They have to be cut precisely to fit inside the windows of the front plate. This requires some patience.

Also the brushed aluminum vinyl sticker has to be applied to the gray area on the bigger control graphics using a pair of tweezers. The sticker has the exact same size as the rectangle and is not removable, so I had to be very precise!

Once the paint has dried, …

… I removed the tape from the inner side of the plates.

Now all the parts have to be assembled. I used 5-minute epoxy glue to join the acrylic plates together permanently. Be careful with this stuff and always wear gloves to avoid glueing your fingers together!

First, I removed the paper from the middle plate. No additional work is necessary on this one. Then, I glued it onto the back plate like so:

I had to be careful to align the smaller plate correctly (the shape is not symmetrical) and to place is exactly in the middle of the back plate. I used the working time of the 5-minute epoxy glue to correct any errors.

Next up is the front plate which is glued onto the middle plate. Again, careful aligning of the edges is in order.

The last step is to apply the graphics. They are self-adhesive so you merely have to peel them off and place them where they belong:

That’s it, the PADD is finished!

Bottom line: A very inexpensive prop that is quickly and easily built and looks just plain cool lying on a desk!

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What you see here is a PADD from “Star Trek: Voyager”. To be precise, it’s the smaller one of the two common types from the show – the one that was carried around in nearly every episode. There were times when Janeways desk was completely covered with these.

While this is a relative simple and cheap prop to make and – like most of the other props – was cast from resin during production of “Voyager”, the kit of my replica was not made from resin but from laser cut acrylic plates which however have the exact dimensions of the original PADDs.

This kit was manufactured by Matt Munson and was beautifully done in terms of research work and precise production. He even did the thickness of the acrylic sheets exactly right! The self-adhesive graphics were also done by him, including a “button” cut from brushed aluminum vinyl. Thanks a lot, Matt!

Let’s get to the pictures. But first, here are two screenshots from “Voyager” episodes showing a “real” PADD:

And this is my replica:

The standard color for modern Starfleet equipment: Plasti-kote 7173.

The metallic paint creates a nice and shiny surface.

“Here is the report you requested.”

Looks good next to my isolinear chips.

Since PADDs are often used in Star Trek shows and are obviously simple to build, I’ve tried to construct appropriate replicas lots of times before. However, I wasn’t really successful in that until now that I know more of materials and procedures.

So, here’s a presentation of my personal PADD history:

Left: TNG PADD made from thick cardboard and with coloured pencil graphics.

Unfortunately, I cannot tell exactly when I did these variants anymore, but as you can see when you look at the colored pencil graphics (first try on the left), I was still a kid!

The size is one thing I always got quite right…

Center: Corrugated board strengthened with putty, printed graphics and tin foil.

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